Abstract

Metal halide perovskites are recently attracting strong attention due to their potential in solar cells, LEDs, and lasers. Here, we demonstrate the broad spectral tuning of the optical gain characteristics of triple cation (containing methylammonium, formamidinium and cesium) mixed-halide perovskite thin films. We explicitly study the interrelation between amplified spontaneous emission (ASE) thresholds, the operational stability of the gain, and the material composition. The incorporation of cesium and a deficiency of lead in the precursor solutions is found to be crucial for low ASE thresholds and the improved stability of mixed-halide perovskites. We tune the photoluminescence in mixed-halide perovskites between peak wavelengths of 510 and 790 nm by exchanging the halide from iodide to bromide and chloride in small steps of 10%, while preserving the narrowband emission below a linewidth of 130 meV for all mixtures. The optical gain under ns-excitation can be tuned over a significant portion of this spectral window; we observe ASE emission in regions between 545 to 555 nm and 680 to 810 nm. This is a significant step towards perovskite lasers operating through a broad portion of the visible to near infrared spectrum.

© 2017 Optical Society of America

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2017 (8)

F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
[Crossref] [PubMed]

Z. Yang, M. Pelton, I. Fedin, D. V. Talapin, and E. Waks, “A room temperature continuous-wave nanolaser using colloidal quantum wells,” Nat. Commun. 8(1), 143 (2017).
[Crossref] [PubMed]

A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
[Crossref] [PubMed]

Q. Zhang, R. Su, W. Du, X. Liu, L. Zhao, S. T. Ha, and Q. Xiong, “Advances in Small Perovskite-Based Lasers,” Small Methods 1(9), 1700163 (2017).
[Crossref]

S. Chen, C. Zhang, J. Lee, J. Han, and A. Nurmikko, “High-Q, Low-Threshold Monolithic Perovskite Thin-Film Vertical-Cavity Lasers,” Adv. Mater. 29(16), 1604781 (2017).
[Crossref] [PubMed]

N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
[Crossref] [PubMed]

F. Ma, J. Li, W. Li, N. Lin, L. Wang, and J. Qiao, “Stable α/δ phase junction of formamidinium lead iodide perovskites for enhanced near-infrared emission,” Chem. Sci. (Camb.) 8(1), 800–805 (2017).
[Crossref] [PubMed]

P. J. Cegielski, S. Neutzner, C. Porschatis, H. Lerch, J. Bolten, S. Suckow, A. R. S. Kandada, B. Chmielak, A. Petrozza, T. Wahlbrink, and A. L. Giesecke, “Integrated perovskite lasers on a silicon nitride waveguide platform by cost-effective high throughput fabrication,” Opt. Express 25(12), 13199–13206 (2017).
[Crossref] [PubMed]

2016 (16)

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
[Crossref]

P. Brenner, M. Stulz, D. Kapp, T. Abzieher, U. W. Paetzold, A. Quintilla, I. A. Howard, H. Kalt, and U. Lemmer, “Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures,” Appl. Phys. Lett. 109(14), 141106 (2016).
[Crossref]

Y. Jia, R. A. Kerner, A. J. Grede, A. N. Brigeman, B. P. Rand, and N. C. Giebink, “Diode-pumped organo-lead halide perovskite lasing in a metal-clad distributed feedback resonator,” Nano Lett. 16(7), 4624–4629 (2016).
[Crossref] [PubMed]

G. L. Whitworth, J. R. Harwell, D. N. Miller, G. J. Hedley, W. Zhang, H. J. Snaith, G. A. Turnbull, and I. D. W. Samuel, “Nanoimprinted distributed feedback lasers of solution processed hybrid perovskites,” Opt. Express 24(21), 23677–23684 (2016).
[Crossref] [PubMed]

S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
[Crossref] [PubMed]

S. J. Yoon, S. Draguta, J. S. Manser, O. Sharia, W. F. Schneider, M. Kuno, and P. V. Kamat, “Tracking Iodide and Bromide Ion Segregation in Mixed Halide Lead Perovskites during Photoirradiation,” ACS Energy Lett. 1(1), 290–296 (2016).
[Crossref]

M. Hu, C. Bi, Y. Yuan, Y. Bai, and J. Huang, “Stabilized wide bandgap MAPbBrxI3-x perovskite by enhanced grain size and improved crystallinity,” Adv Sci (Weinh) 3(6), 1500301 (2016).
[Crossref] [PubMed]

J. T. Jacobsson, J. P. Correa Baena, M. Pazoki, M. Saliba, K. Schenk, M. Grätzel, and A. Hagfeldt, “An exploration of the compositional space for mixed lead halogen perovskites for high efficiency solar cells,” Energy Environ. Sci. 9(5), 1706–1724 (2016).
[Crossref]

M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
[Crossref] [PubMed]

L. M. Herz, “Charge-Carrier Dynamics in Organic-Inorganic Metal Halide Perovskites,” Annu. Rev. Phys. Chem. 67(1), 65–89 (2016).
[Crossref] [PubMed]

D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
[Crossref] [PubMed]

T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
[Crossref] [PubMed]

S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
[Crossref] [PubMed]

I. Suárez Alvarez, “Active photonic devices based on colloidal semiconductor nanocrystals and organometallic halide perovskites,” Eur. Phys. J. Appl. Phys. 75(3), 30001 (2016).
[Crossref]

G. Li, M. Price, and F. Deschler, “Research Update: Challenges for high-efficiency hybrid lead-halide perovskite LEDs and the path towards electrically pumped lasing,” APL Mater. 4(9), 091507 (2016).
[Crossref]

B. R. Sutherland and E. H. Sargent, “Perovskite photonic sources,” Nat. Photonics 10(5), 295–302 (2016).
[Crossref]

2015 (6)

S. D. Stranks and H. J. Snaith, “Metal-halide perovskites for photovoltaic and light-emitting devices,” Nat. Nanotechnol. 10(5), 391–402 (2015).
[Crossref] [PubMed]

P. Brenner, L. M. Fleig, X. Liu, A. Welle, S. Bräse, and U. Lemmer, “Degradation mechanisms of polyfluorene-based organic semiconductor lasers under ambient and oxygen-free conditions,” J. Polym. Sci. Part B Polym. Phys. 53, 1029–1034 (2015).

S. Yakunin, L. Protesescu, F. Krieg, M. I. Bodnarchuk, G. Nedelcu, M. Humer, G. De Luca, M. Fiebig, W. Heiss, and M. V. Kovalenko, “Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide perovskites,” Nat. Commun. 6, 8056 (2015).
[Crossref] [PubMed]

L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
[Crossref]

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
[Crossref]

E. T. Hoke, D. J. Slotcavage, E. R. Dohner, A. R. Bowring, H. I. Karunadasa, and M. D. McGehee, “Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics,” Chem. Sci. (Camb.) 6(1), 613–617 (2015).
[Crossref] [PubMed]

2014 (10)

F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
[Crossref] [PubMed]

J. Q. Grim, S. Christodoulou, F. Di Stasio, R. Krahne, R. Cingolani, L. Manna, and I. Moreels, “Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells,” Nat. Nanotechnol. 9(11), 891–895 (2014).
[Crossref] [PubMed]

G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
[Crossref] [PubMed]

R. Dhanker, A. N. Brigeman, A. V. Larsen, R. J. Stewart, J. B. Asbury, and N. C. Giebink, “Random lasing in organo-lead halide perovskite microcrystal networks,” Appl. Phys. Lett. 105(15), 151112 (2014).
[Crossref]

Q. Zhang, S. T. Ha, X. Liu, T. C. Sum, and Q. Xiong, “Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nano lasers,” Nano Lett. 14(10), 5995–6001 (2014).
[Crossref] [PubMed]

B. R. Sutherland, S. Hoogland, M. M. Adachi, C. T. O. Wong, and E. H. Sargent, “Conformal organohalide perovskites enable lasing on spherical resonators,” ACS Nano 8(10), 10947–10952 (2014).
[Crossref] [PubMed]

S. Kazim, M. K. Nazeeruddin, M. Grätzel, and S. Ahmad, “Perovskite as Light Harvester: A Game Changer in Photovoltaics,” Angew. Chem. Int. Ed. Engl. 53(11), 2812–2824 (2014).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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G. E. Eperon, S. D. Stranks, C. Menelaou, M. B. Johnston, L. M. Herz, and H. J. Snaith, “Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells,” Energy Environ. Sci. 7(3), 982 (2014).
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S. Z. Bisri, T. Takenobu, and Y. Iwasa, “The pursuit of electrically-driven organic semiconductor lasers,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2(16), 2827 (2014).
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S. Chénais and S. Forget, “Recent advances in solid-state organic lasers,” Polym. Int. 61(3), 390–406 (2012).
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Abate, A.

M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
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D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
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Abzieher, T.

P. Brenner, M. Stulz, D. Kapp, T. Abzieher, U. W. Paetzold, A. Quintilla, I. A. Howard, H. Kalt, and U. Lemmer, “Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures,” Appl. Phys. Lett. 109(14), 141106 (2016).
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Adachi, C.

A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
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Adachi, M. M.

F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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B. R. Sutherland, S. Hoogland, M. M. Adachi, C. T. O. Wong, and E. H. Sargent, “Conformal organohalide perovskites enable lasing on spherical resonators,” ACS Nano 8(10), 10947–10952 (2014).
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Ahmad, S.

S. Kazim, M. K. Nazeeruddin, M. Grätzel, and S. Ahmad, “Perovskite as Light Harvester: A Game Changer in Photovoltaics,” Angew. Chem. Int. Ed. Engl. 53(11), 2812–2824 (2014).
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Aresti, M.

M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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R. Dhanker, A. N. Brigeman, A. V. Larsen, R. J. Stewart, J. B. Asbury, and N. C. Giebink, “Random lasing in organo-lead halide perovskite microcrystal networks,” Appl. Phys. Lett. 105(15), 151112 (2014).
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F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
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M. Hu, C. Bi, Y. Yuan, Y. Bai, and J. Huang, “Stabilized wide bandgap MAPbBrxI3-x perovskite by enhanced grain size and improved crystallinity,” Adv Sci (Weinh) 3(6), 1500301 (2016).
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A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
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M. Hu, C. Bi, Y. Yuan, Y. Bai, and J. Huang, “Stabilized wide bandgap MAPbBrxI3-x perovskite by enhanced grain size and improved crystallinity,” Adv Sci (Weinh) 3(6), 1500301 (2016).
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D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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Bisri, S. Z.

S. Z. Bisri, T. Takenobu, and Y. Iwasa, “The pursuit of electrically-driven organic semiconductor lasers,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2(16), 2827 (2014).
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Bodnarchuk, M. I.

S. Yakunin, L. Protesescu, F. Krieg, M. I. Bodnarchuk, G. Nedelcu, M. Humer, G. De Luca, M. Fiebig, W. Heiss, and M. V. Kovalenko, “Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide perovskites,” Nat. Commun. 6, 8056 (2015).
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S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
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Bolten, J.

Bongiovanni, G.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Bouduban, M. E. F.

T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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Bowring, A. R.

E. T. Hoke, D. J. Slotcavage, E. R. Dohner, A. R. Bowring, H. I. Karunadasa, and M. D. McGehee, “Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics,” Chem. Sci. (Camb.) 6(1), 613–617 (2015).
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Bräse, S.

P. Brenner, L. M. Fleig, X. Liu, A. Welle, S. Bräse, and U. Lemmer, “Degradation mechanisms of polyfluorene-based organic semiconductor lasers under ambient and oxygen-free conditions,” J. Polym. Sci. Part B Polym. Phys. 53, 1029–1034 (2015).

Brenner, P.

P. Brenner, M. Stulz, D. Kapp, T. Abzieher, U. W. Paetzold, A. Quintilla, I. A. Howard, H. Kalt, and U. Lemmer, “Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures,” Appl. Phys. Lett. 109(14), 141106 (2016).
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P. Brenner, L. M. Fleig, X. Liu, A. Welle, S. Bräse, and U. Lemmer, “Degradation mechanisms of polyfluorene-based organic semiconductor lasers under ambient and oxygen-free conditions,” J. Polym. Sci. Part B Polym. Phys. 53, 1029–1034 (2015).

Brigeman, A. N.

Y. Jia, R. A. Kerner, A. J. Grede, A. N. Brigeman, B. P. Rand, and N. C. Giebink, “Diode-pumped organo-lead halide perovskite lasing in a metal-clad distributed feedback resonator,” Nano Lett. 16(7), 4624–4629 (2016).
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Cadelano, M.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Cannas, C.

M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Carbonaro, C. M.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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Cegielski, P. J.

Chan, W. K.

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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Chen, F.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Chen, S.

S. Chen, C. Zhang, J. Lee, J. Han, and A. Nurmikko, “High-Q, Low-Threshold Monolithic Perovskite Thin-Film Vertical-Cavity Lasers,” Adv. Mater. 29(16), 1604781 (2017).
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S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
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Chen, Y.

N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
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Chénais, S.

S. Chénais and S. Forget, “Recent advances in solid-state organic lasers,” Polym. Int. 61(3), 390–406 (2012).
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Chmielak, B.

Chong, W. K.

S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
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Christodoulou, S.

J. Q. Grim, S. Christodoulou, F. Di Stasio, R. Krahne, R. Cingolani, L. Manna, and I. Moreels, “Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells,” Nat. Nanotechnol. 9(11), 891–895 (2014).
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Cingolani, R.

J. Q. Grim, S. Christodoulou, F. Di Stasio, R. Krahne, R. Cingolani, L. Manna, and I. Moreels, “Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells,” Nat. Nanotechnol. 9(11), 891–895 (2014).
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Corpino, R.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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Correa Baena, J. P.

J. T. Jacobsson, J. P. Correa Baena, M. Pazoki, M. Saliba, K. Schenk, M. Grätzel, and A. Hagfeldt, “An exploration of the compositional space for mixed lead halogen perovskites for high efficiency solar cells,” Energy Environ. Sci. 9(5), 1706–1724 (2016).
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D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
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Correa-Baena, J. P.

T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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Correa-Baena, J.-P.

M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
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Dai, J.

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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Dar, M. I.

D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
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De Luca, G.

S. Yakunin, L. Protesescu, F. Krieg, M. I. Bodnarchuk, G. Nedelcu, M. Humer, G. De Luca, M. Fiebig, W. Heiss, and M. V. Kovalenko, “Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide perovskites,” Nat. Commun. 6, 8056 (2015).
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Decoppet, J. D.

D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
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Deschler, F.

G. Li, M. Price, and F. Deschler, “Research Update: Challenges for high-efficiency hybrid lead-halide perovskite LEDs and the path towards electrically pumped lasing,” APL Mater. 4(9), 091507 (2016).
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F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
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Dhanker, R.

R. Dhanker, A. N. Brigeman, A. V. Larsen, R. J. Stewart, J. B. Asbury, and N. C. Giebink, “Random lasing in organo-lead halide perovskite microcrystal networks,” Appl. Phys. Lett. 105(15), 151112 (2014).
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Di Stasio, F.

J. Q. Grim, S. Christodoulou, F. Di Stasio, R. Krahne, R. Cingolani, L. Manna, and I. Moreels, “Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells,” Nat. Nanotechnol. 9(11), 891–895 (2014).
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Djurišic, A. B.

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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Dohner, E. R.

E. T. Hoke, D. J. Slotcavage, E. R. Dohner, A. R. Bowring, H. I. Karunadasa, and M. D. McGehee, “Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics,” Chem. Sci. (Camb.) 6(1), 613–617 (2015).
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Domanski, K.

M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
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Dong, Q.

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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Draguta, S.

S. J. Yoon, S. Draguta, J. S. Manser, O. Sharia, W. F. Schneider, M. Kuno, and P. V. Kamat, “Tracking Iodide and Bromide Ion Segregation in Mixed Halide Lead Perovskites during Photoirradiation,” ACS Energy Lett. 1(1), 290–296 (2016).
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Du, W.

Q. Zhang, R. Su, W. Du, X. Liu, L. Zhao, S. T. Ha, and Q. Xiong, “Advances in Small Perovskite-Based Lasers,” Small Methods 1(9), 1700163 (2017).
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Eperon, G. E.

G. E. Eperon, S. D. Stranks, C. Menelaou, M. B. Johnston, L. M. Herz, and H. J. Snaith, “Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells,” Energy Environ. Sci. 7(3), 982 (2014).
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Fan, F.

F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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Fedin, I.

Z. Yang, M. Pelton, I. Fedin, D. V. Talapin, and E. Waks, “A room temperature continuous-wave nanolaser using colloidal quantum wells,” Nat. Commun. 8(1), 143 (2017).
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Fiebig, M.

S. Yakunin, L. Protesescu, F. Krieg, M. I. Bodnarchuk, G. Nedelcu, M. Humer, G. De Luca, M. Fiebig, W. Heiss, and M. V. Kovalenko, “Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide perovskites,” Nat. Commun. 6, 8056 (2015).
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Figus, C.

M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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R. Dhanker, A. N. Brigeman, A. V. Larsen, R. J. Stewart, J. B. Asbury, and N. C. Giebink, “Random lasing in organo-lead halide perovskite microcrystal networks,” Appl. Phys. Lett. 105(15), 151112 (2014).
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Li, C.

L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
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Li, G.

G. Li, M. Price, and F. Deschler, “Research Update: Challenges for high-efficiency hybrid lead-halide perovskite LEDs and the path towards electrically pumped lasing,” APL Mater. 4(9), 091507 (2016).
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Li, H.

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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F. Ma, J. Li, W. Li, N. Lin, L. Wang, and J. Qiao, “Stable α/δ phase junction of formamidinium lead iodide perovskites for enhanced near-infrared emission,” Chem. Sci. (Camb.) 8(1), 800–805 (2017).
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S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
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F. Ma, J. Li, W. Li, N. Lin, L. Wang, and J. Qiao, “Stable α/δ phase junction of formamidinium lead iodide perovskites for enhanced near-infrared emission,” Chem. Sci. (Camb.) 8(1), 800–805 (2017).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
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L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
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L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
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S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
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D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
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L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
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F. Ma, J. Li, W. Li, N. Lin, L. Wang, and J. Qiao, “Stable α/δ phase junction of formamidinium lead iodide perovskites for enhanced near-infrared emission,” Chem. Sci. (Camb.) 8(1), 800–805 (2017).
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J. Q. Grim, S. Christodoulou, F. Di Stasio, R. Krahne, R. Cingolani, L. Manna, and I. Moreels, “Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells,” Nat. Nanotechnol. 9(11), 891–895 (2014).
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N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
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M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Mathews, N.

S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
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S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
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G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
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M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
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A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
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N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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E. T. Hoke, D. J. Slotcavage, E. R. Dohner, A. R. Bowring, H. I. Karunadasa, and M. D. McGehee, “Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics,” Chem. Sci. (Camb.) 6(1), 613–617 (2015).
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G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
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S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
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Miller, D. N.

Moreels, I.

J. Q. Grim, S. Christodoulou, F. Di Stasio, R. Krahne, R. Cingolani, L. Manna, and I. Moreels, “Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells,” Nat. Nanotechnol. 9(11), 891–895 (2014).
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T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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Mura, A.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Ng, A.

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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
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S. Chen, C. Zhang, J. Lee, J. Han, and A. Nurmikko, “High-Q, Low-Threshold Monolithic Perovskite Thin-Film Vertical-Cavity Lasers,” Adv. Mater. 29(16), 1604781 (2017).
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P. Brenner, M. Stulz, D. Kapp, T. Abzieher, U. W. Paetzold, A. Quintilla, I. A. Howard, H. Kalt, and U. Lemmer, “Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures,” Appl. Phys. Lett. 109(14), 141106 (2016).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
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J. T. Jacobsson, J. P. Correa Baena, M. Pazoki, M. Saliba, K. Schenk, M. Grätzel, and A. Hagfeldt, “An exploration of the compositional space for mixed lead halogen perovskites for high efficiency solar cells,” Energy Environ. Sci. 9(5), 1706–1724 (2016).
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Z. Yang, M. Pelton, I. Fedin, D. V. Talapin, and E. Waks, “A room temperature continuous-wave nanolaser using colloidal quantum wells,” Nat. Commun. 8(1), 143 (2017).
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Philippe, B.

T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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Phillips, R. T.

F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
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Piras, R.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
[Crossref]

M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Porschatis, C.

Pourdavoud, N.

N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
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Price, M.

G. Li, M. Price, and F. Deschler, “Research Update: Challenges for high-efficiency hybrid lead-halide perovskite LEDs and the path towards electrically pumped lasing,” APL Mater. 4(9), 091507 (2016).
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F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
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S. Yakunin, L. Protesescu, F. Krieg, M. I. Bodnarchuk, G. Nedelcu, M. Humer, G. De Luca, M. Fiebig, W. Heiss, and M. V. Kovalenko, “Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide perovskites,” Nat. Commun. 6, 8056 (2015).
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F. Ma, J. Li, W. Li, N. Lin, L. Wang, and J. Qiao, “Stable α/δ phase junction of formamidinium lead iodide perovskites for enhanced near-infrared emission,” Chem. Sci. (Camb.) 8(1), 800–805 (2017).
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L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Y. Jia, R. A. Kerner, A. J. Grede, A. N. Brigeman, B. P. Rand, and N. C. Giebink, “Diode-pumped organo-lead halide perovskite lasing in a metal-clad distributed feedback resonator,” Nano Lett. 16(7), 4624–4629 (2016).
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T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
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N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
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S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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Saba, M.

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
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Samuel, I. D. W.

Sandanayaka, A. S. D.

A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
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Saravanapavanantham, M.

F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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Sargent, E. H.

F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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B. R. Sutherland and E. H. Sargent, “Perovskite photonic sources,” Nat. Photonics 10(5), 295–302 (2016).
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B. R. Sutherland, S. Hoogland, M. M. Adachi, C. T. O. Wong, and E. H. Sargent, “Conformal organohalide perovskites enable lasing on spherical resonators,” ACS Nano 8(10), 10947–10952 (2014).
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M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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Scheer, H. C.

N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
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Schenk, K.

J. T. Jacobsson, J. P. Correa Baena, M. Pazoki, M. Saliba, K. Schenk, M. Grätzel, and A. Hagfeldt, “An exploration of the compositional space for mixed lead halogen perovskites for high efficiency solar cells,” Energy Environ. Sci. 9(5), 1706–1724 (2016).
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D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
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T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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S. J. Yoon, S. Draguta, J. S. Manser, O. Sharia, W. F. Schneider, M. Kuno, and P. V. Kamat, “Tracking Iodide and Bromide Ion Segregation in Mixed Halide Lead Perovskites during Photoirradiation,” ACS Energy Lett. 1(1), 290–296 (2016).
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M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
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M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
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S. J. Yoon, S. Draguta, J. S. Manser, O. Sharia, W. F. Schneider, M. Kuno, and P. V. Kamat, “Tracking Iodide and Bromide Ion Segregation in Mixed Halide Lead Perovskites during Photoirradiation,” ACS Energy Lett. 1(1), 290–296 (2016).
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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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E. T. Hoke, D. J. Slotcavage, E. R. Dohner, A. R. Bowring, H. I. Karunadasa, and M. D. McGehee, “Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics,” Chem. Sci. (Camb.) 6(1), 613–617 (2015).
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G. L. Whitworth, J. R. Harwell, D. N. Miller, G. J. Hedley, W. Zhang, H. J. Snaith, G. A. Turnbull, and I. D. W. Samuel, “Nanoimprinted distributed feedback lasers of solution processed hybrid perovskites,” Opt. Express 24(21), 23677–23684 (2016).
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S. D. Stranks and H. J. Snaith, “Metal-halide perovskites for photovoltaic and light-emitting devices,” Nat. Nanotechnol. 10(5), 391–402 (2015).
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F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
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G. E. Eperon, S. D. Stranks, C. Menelaou, M. B. Johnston, L. M. Herz, and H. J. Snaith, “Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells,” Energy Environ. Sci. 7(3), 982 (2014).
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Stewart, R. J.

R. Dhanker, A. N. Brigeman, A. V. Larsen, R. J. Stewart, J. B. Asbury, and N. C. Giebink, “Random lasing in organo-lead halide perovskite microcrystal networks,” Appl. Phys. Lett. 105(15), 151112 (2014).
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T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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S. D. Stranks and H. J. Snaith, “Metal-halide perovskites for photovoltaic and light-emitting devices,” Nat. Nanotechnol. 10(5), 391–402 (2015).
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F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
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G. E. Eperon, S. D. Stranks, C. Menelaou, M. B. Johnston, L. M. Herz, and H. J. Snaith, “Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells,” Energy Environ. Sci. 7(3), 982 (2014).
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Stulz, M.

P. Brenner, M. Stulz, D. Kapp, T. Abzieher, U. W. Paetzold, A. Quintilla, I. A. Howard, H. Kalt, and U. Lemmer, “Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures,” Appl. Phys. Lett. 109(14), 141106 (2016).
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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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Q. Zhang, R. Su, W. Du, X. Liu, L. Zhao, S. T. Ha, and Q. Xiong, “Advances in Small Perovskite-Based Lasers,” Small Methods 1(9), 1700163 (2017).
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I. Suárez Alvarez, “Active photonic devices based on colloidal semiconductor nanocrystals and organometallic halide perovskites,” Eur. Phys. J. Appl. Phys. 75(3), 30001 (2016).
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S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
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S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
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Q. Zhang, S. T. Ha, X. Liu, T. C. Sum, and Q. Xiong, “Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nano lasers,” Nano Lett. 14(10), 5995–6001 (2014).
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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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B. R. Sutherland and E. H. Sargent, “Perovskite photonic sources,” Nat. Photonics 10(5), 295–302 (2016).
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B. R. Sutherland, S. Hoogland, M. M. Adachi, C. T. O. Wong, and E. H. Sargent, “Conformal organohalide perovskites enable lasing on spherical resonators,” ACS Nano 8(10), 10947–10952 (2014).
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S. Z. Bisri, T. Takenobu, and Y. Iwasa, “The pursuit of electrically-driven organic semiconductor lasers,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2(16), 2827 (2014).
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Z. Yang, M. Pelton, I. Fedin, D. V. Talapin, and E. Waks, “A room temperature continuous-wave nanolaser using colloidal quantum wells,” Nat. Commun. 8(1), 143 (2017).
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T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
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Turnbull, G. A.

Veldhuis, S. A.

S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
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F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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Waks, E.

Z. Yang, M. Pelton, I. Fedin, D. V. Talapin, and E. Waks, “A room temperature continuous-wave nanolaser using colloidal quantum wells,” Nat. Commun. 8(1), 143 (2017).
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F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
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Wang, S.

N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
[Crossref] [PubMed]

Wei, C.

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
[Crossref]

Welle, A.

P. Brenner, L. M. Fleig, X. Liu, A. Welle, S. Bräse, and U. Lemmer, “Degradation mechanisms of polyfluorene-based organic semiconductor lasers under ambient and oxygen-free conditions,” J. Polym. Sci. Part B Polym. Phys. 53, 1029–1034 (2015).

Whitworth, G. L.

Wong, C. T. O.

B. R. Sutherland, S. Hoogland, M. M. Adachi, C. T. O. Wong, and E. H. Sargent, “Conformal organohalide perovskites enable lasing on spherical resonators,” ACS Nano 8(10), 10947–10952 (2014).
[Crossref] [PubMed]

Wong, M. K.

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
[Crossref]

Xing, G.

G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
[Crossref] [PubMed]

Xiong, Q.

Q. Zhang, R. Su, W. Du, X. Liu, L. Zhao, S. T. Ha, and Q. Xiong, “Advances in Small Perovskite-Based Lasers,” Small Methods 1(9), 1700163 (2017).
[Crossref]

Q. Zhang, S. T. Ha, X. Liu, T. C. Sum, and Q. Xiong, “Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nano lasers,” Nano Lett. 14(10), 5995–6001 (2014).
[Crossref] [PubMed]

Yakunin, S.

S. Yakunin, L. Protesescu, F. Krieg, M. I. Bodnarchuk, G. Nedelcu, M. Humer, G. De Luca, M. Fiebig, W. Heiss, and M. V. Kovalenko, “Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide perovskites,” Nat. Commun. 6, 8056 (2015).
[Crossref] [PubMed]

Yang, Z.

Z. Yang, M. Pelton, I. Fedin, D. V. Talapin, and E. Waks, “A room temperature continuous-wave nanolaser using colloidal quantum wells,” Nat. Commun. 8(1), 143 (2017).
[Crossref] [PubMed]

Yantara, N.

S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
[Crossref] [PubMed]

G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
[Crossref] [PubMed]

Yoon, S. J.

S. J. Yoon, S. Draguta, J. S. Manser, O. Sharia, W. F. Schneider, M. Kuno, and P. V. Kamat, “Tracking Iodide and Bromide Ion Segregation in Mixed Halide Lead Perovskites during Photoirradiation,” ACS Energy Lett. 1(1), 290–296 (2016).
[Crossref]

Yoshida, K.

A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
[Crossref] [PubMed]

Yuan, Y.

M. Hu, C. Bi, Y. Yuan, Y. Bai, and J. Huang, “Stabilized wide bandgap MAPbBrxI3-x perovskite by enhanced grain size and improved crystallinity,” Adv Sci (Weinh) 3(6), 1500301 (2016).
[Crossref] [PubMed]

Zakeeruddin, S. M.

M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
[Crossref] [PubMed]

D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
[Crossref] [PubMed]

Zhang, C.

S. Chen, C. Zhang, J. Lee, J. Han, and A. Nurmikko, “High-Q, Low-Threshold Monolithic Perovskite Thin-Film Vertical-Cavity Lasers,” Adv. Mater. 29(16), 1604781 (2017).
[Crossref] [PubMed]

Zhang, Q.

Q. Zhang, R. Su, W. Du, X. Liu, L. Zhao, S. T. Ha, and Q. Xiong, “Advances in Small Perovskite-Based Lasers,” Small Methods 1(9), 1700163 (2017).
[Crossref]

Q. Zhang, S. T. Ha, X. Liu, T. C. Sum, and Q. Xiong, “Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nano lasers,” Nano Lett. 14(10), 5995–6001 (2014).
[Crossref] [PubMed]

Zhang, W.

Zhao, L.

Q. Zhang, R. Su, W. Du, X. Liu, L. Zhao, S. T. Ha, and Q. Xiong, “Advances in Small Perovskite-Based Lasers,” Small Methods 1(9), 1700163 (2017).
[Crossref]

Zhu, L.

L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
[Crossref]

ACS Energy Lett. (1)

S. J. Yoon, S. Draguta, J. S. Manser, O. Sharia, W. F. Schneider, M. Kuno, and P. V. Kamat, “Tracking Iodide and Bromide Ion Segregation in Mixed Halide Lead Perovskites during Photoirradiation,” ACS Energy Lett. 1(1), 290–296 (2016).
[Crossref]

ACS Nano (2)

B. R. Sutherland, S. Hoogland, M. M. Adachi, C. T. O. Wong, and E. H. Sargent, “Conformal organohalide perovskites enable lasing on spherical resonators,” ACS Nano 8(10), 10947–10952 (2014).
[Crossref] [PubMed]

S. Chen, K. Roh, J. Lee, W. K. Chong, Y. Lu, N. Mathews, T. C. Sum, and A. Nurmikko, “A Photonic Crystal Laser from Solution Based Organo-Lead Iodide Perovskite Thin Films,” ACS Nano 10(4), 3959–3967 (2016).
[Crossref] [PubMed]

Adv Sci (Weinh) (1)

M. Hu, C. Bi, Y. Yuan, Y. Bai, and J. Huang, “Stabilized wide bandgap MAPbBrxI3-x perovskite by enhanced grain size and improved crystallinity,” Adv Sci (Weinh) 3(6), 1500301 (2016).
[Crossref] [PubMed]

Adv. Energy Mater. (1)

F. Liu, Q. Dong, M. K. Wong, A. B. Djurišić, A. Ng, Z. Ren, Q. Shen, C. Surya, W. K. Chan, J. Wang, A. M. C. Ng, C. Liao, H. Li, K. Shih, C. Wei, H. Su, and J. Dai, “Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?” Adv. Energy Mater. 6(7), 1–9 (2016).
[Crossref]

Adv. Mater. (3)

S. Chen, C. Zhang, J. Lee, J. Han, and A. Nurmikko, “High-Q, Low-Threshold Monolithic Perovskite Thin-Film Vertical-Cavity Lasers,” Adv. Mater. 29(16), 1604781 (2017).
[Crossref] [PubMed]

N. Pourdavoud, S. Wang, A. Mayer, T. Hu, Y. Chen, A. Marianovich, W. Kowalsky, R. Heiderhoff, H. C. Scheer, and T. Riedl, “Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites,” Adv. Mater. 29(12), 1605003 (2017).
[Crossref] [PubMed]

S. A. Veldhuis, P. P. Boix, N. Yantara, M. Li, T. C. Sum, N. Mathews, and S. G. Mhaisalkar, “Perovskite Materials for Light-Emitting Diodes and Lasers,” Adv. Mater. 28(32), 6804–6834 (2016).
[Crossref] [PubMed]

Adv. Opt. Mater. (1)

M. Cadelano, V. Sarritzu, N. Sestu, D. Marongiu, F. Chen, R. Piras, R. Corpino, C. M. Carbonaro, F. Quochi, M. Saba, A. Mura, and G. Bongiovanni, “Can Trihalide Lead Perovskites Support Continuous Wave Lasing?” Adv. Opt. Mater. 3(11), 1557–1564 (2015).
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Angew. Chem. Int. Ed. Engl. (1)

S. Kazim, M. K. Nazeeruddin, M. Grätzel, and S. Ahmad, “Perovskite as Light Harvester: A Game Changer in Photovoltaics,” Angew. Chem. Int. Ed. Engl. 53(11), 2812–2824 (2014).
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Annu. Rev. Phys. Chem. (1)

L. M. Herz, “Charge-Carrier Dynamics in Organic-Inorganic Metal Halide Perovskites,” Annu. Rev. Phys. Chem. 67(1), 65–89 (2016).
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APL Mater. (1)

G. Li, M. Price, and F. Deschler, “Research Update: Challenges for high-efficiency hybrid lead-halide perovskite LEDs and the path towards electrically pumped lasing,” APL Mater. 4(9), 091507 (2016).
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Appl. Phys. Lett. (2)

R. Dhanker, A. N. Brigeman, A. V. Larsen, R. J. Stewart, J. B. Asbury, and N. C. Giebink, “Random lasing in organo-lead halide perovskite microcrystal networks,” Appl. Phys. Lett. 105(15), 151112 (2014).
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P. Brenner, M. Stulz, D. Kapp, T. Abzieher, U. W. Paetzold, A. Quintilla, I. A. Howard, H. Kalt, and U. Lemmer, “Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures,” Appl. Phys. Lett. 109(14), 141106 (2016).
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Chem. Sci. (Camb.) (2)

F. Ma, J. Li, W. Li, N. Lin, L. Wang, and J. Qiao, “Stable α/δ phase junction of formamidinium lead iodide perovskites for enhanced near-infrared emission,” Chem. Sci. (Camb.) 8(1), 800–805 (2017).
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E. T. Hoke, D. J. Slotcavage, E. R. Dohner, A. R. Bowring, H. I. Karunadasa, and M. D. McGehee, “Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics,” Chem. Sci. (Camb.) 6(1), 613–617 (2015).
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Energy Environ. Sci. (3)

J. T. Jacobsson, J. P. Correa Baena, M. Pazoki, M. Saliba, K. Schenk, M. Grätzel, and A. Hagfeldt, “An exploration of the compositional space for mixed lead halogen perovskites for high efficiency solar cells,” Energy Environ. Sci. 9(5), 1706–1724 (2016).
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M. Saliba, T. Matsui, J.-Y. Seo, K. Domanski, J.-P. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt, and M. Grätzel, “Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency,” Energy Environ. Sci. 9(6), 1989–1997 (2016).
[Crossref] [PubMed]

G. E. Eperon, S. D. Stranks, C. Menelaou, M. B. Johnston, L. M. Herz, and H. J. Snaith, “Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells,” Energy Environ. Sci. 7(3), 982 (2014).
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Eur. Phys. J. Appl. Phys. (1)

I. Suárez Alvarez, “Active photonic devices based on colloidal semiconductor nanocrystals and organometallic halide perovskites,” Eur. Phys. J. Appl. Phys. 75(3), 30001 (2016).
[Crossref]

J. Am. Chem. Soc. (1)

T. J. Jacobsson, J. P. Correa-Baena, E. Halvani Anaraki, B. Philippe, S. D. Stranks, M. E. F. Bouduban, W. Tress, K. Schenk, J. Teuscher, J. E. Moser, H. Rensmo, and A. Hagfeldt, “Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells,” J. Am. Chem. Soc. 138(32), 10331–10343 (2016).
[Crossref] [PubMed]

J. Mater. Chem. C Mater. Opt. Electron. Devices (1)

S. Z. Bisri, T. Takenobu, and Y. Iwasa, “The pursuit of electrically-driven organic semiconductor lasers,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2(16), 2827 (2014).
[Crossref]

J. Phys. Chem. Lett. (1)

F. Deschler, M. Price, S. Pathak, L. E. Klintberg, D. D. Jarausch, R. Higler, S. Hüttner, T. Leijtens, S. D. Stranks, H. J. Snaith, M. Atatüre, R. T. Phillips, and R. H. Friend, “High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors,” J. Phys. Chem. Lett. 5(8), 1421–1426 (2014).
[Crossref] [PubMed]

J. Polym. Sci. Part B Polym. Phys. (1)

P. Brenner, L. M. Fleig, X. Liu, A. Welle, S. Bräse, and U. Lemmer, “Degradation mechanisms of polyfluorene-based organic semiconductor lasers under ambient and oxygen-free conditions,” J. Polym. Sci. Part B Polym. Phys. 53, 1029–1034 (2015).

Nano Lett. (2)

Q. Zhang, S. T. Ha, X. Liu, T. C. Sum, and Q. Xiong, “Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nano lasers,” Nano Lett. 14(10), 5995–6001 (2014).
[Crossref] [PubMed]

Y. Jia, R. A. Kerner, A. J. Grede, A. N. Brigeman, B. P. Rand, and N. C. Giebink, “Diode-pumped organo-lead halide perovskite lasing in a metal-clad distributed feedback resonator,” Nano Lett. 16(7), 4624–4629 (2016).
[Crossref] [PubMed]

Nat. Commun. (3)

Z. Yang, M. Pelton, I. Fedin, D. V. Talapin, and E. Waks, “A room temperature continuous-wave nanolaser using colloidal quantum wells,” Nat. Commun. 8(1), 143 (2017).
[Crossref] [PubMed]

M. Saba, M. Cadelano, D. Marongiu, F. Chen, V. Sarritzu, N. Sestu, C. Figus, M. Aresti, R. Piras, A. G. Lehmann, C. Cannas, A. Musinu, F. Quochi, A. Mura, and G. Bongiovanni, “Correlated electron-hole plasma in organometal perovskites,” Nat. Commun. 5, 5049 (2014).
[Crossref] [PubMed]

S. Yakunin, L. Protesescu, F. Krieg, M. I. Bodnarchuk, G. Nedelcu, M. Humer, G. De Luca, M. Fiebig, W. Heiss, and M. V. Kovalenko, “Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide perovskites,” Nat. Commun. 6, 8056 (2015).
[Crossref] [PubMed]

Nat. Mater. (1)

G. Xing, N. Mathews, S. S. Lim, N. Yantara, X. Liu, D. Sabba, M. Grätzel, S. Mhaisalkar, and T. C. Sum, “Low-temperature solution-processed wavelength-tunable perovskites for lasing,” Nat. Mater. 13(5), 476–480 (2014).
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Nat. Nanotechnol. (2)

S. D. Stranks and H. J. Snaith, “Metal-halide perovskites for photovoltaic and light-emitting devices,” Nat. Nanotechnol. 10(5), 391–402 (2015).
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J. Q. Grim, S. Christodoulou, F. Di Stasio, R. Krahne, R. Cingolani, L. Manna, and I. Moreels, “Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells,” Nat. Nanotechnol. 9(11), 891–895 (2014).
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Nat. Photonics (1)

B. R. Sutherland and E. H. Sargent, “Perovskite photonic sources,” Nat. Photonics 10(5), 295–302 (2016).
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Nature (1)

F. Fan, O. Voznyy, R. P. Sabatini, K. T. Bicanic, M. M. Adachi, J. R. McBride, K. R. Reid, Y.-S. Park, X. Li, A. Jain, R. Quintero-Bermudez, M. Saravanapavanantham, M. Liu, M. Korkusinski, P. Hawrylak, V. I. Klimov, S. J. Rosenthal, S. Hoogland, and E. H. Sargent, “Continuous-wave lasing in colloidal quantum dot solids enabled by facet-selective epitaxy,” Nature 544(7648), 75–79 (2017).
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RSC Advances (1)

L. Qin, L. Lv, Y. Ning, C. Li, Q. Lu, L. Zhu, Y. Hu, Z. Lou, F. Teng, and Y. Hou, “Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films,” RSC Advances 5(125), 103674 (2015).
[Crossref]

Sci. Adv. (2)

D. Bi, W. Tress, M. I. Dar, P. Gao, J. Luo, C. Renevier, K. Schenk, A. Abate, F. Giordano, J. P. Correa Baena, J. D. Decoppet, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, and A. Hagfeldt, “Efficient luminescent solar cells based on tailored mixed-cation perovskites,” Sci. Adv. 2(1), e1501170 (2016).
[Crossref] [PubMed]

A. S. D. Sandanayaka, T. Matsushima, F. Bencheikh, K. Yoshida, M. Inoue, T. Fujihara, K. Goushi, J.-C. Ribierre, and C. Adachi, “Toward continuous-wave operation of organic semiconductor lasers,” Sci. Adv. 3(4), e1602570 (2017).
[Crossref] [PubMed]

Small Methods (1)

Q. Zhang, R. Su, W. Du, X. Liu, L. Zhao, S. T. Ha, and Q. Xiong, “Advances in Small Perovskite-Based Lasers,” Small Methods 1(9), 1700163 (2017).
[Crossref]

Other (1)

See https://www.nrel.gov/pv , “Research Cell Efficiency record chart by the National Renewable Energy Laboratory, Accessed on 22 July 2017.

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Figures (15)

Fig. 1
Fig. 1

a) Typical evolution of the peak intensity as a function of the pump intensity. Inset: Transition of the spectrum from PL to ASE. b) ASE peak wavelengths for different Cs contents x in perovskites films with the composition Csx(MA0.17FA0.83)1-xPb(I0.83Br0.17)3.

Fig. 2
Fig. 2

Influence of different stoichiometric ratios on a) the ASE thresholds and b) the morphology. Pb/A is the ratio of the number of lead (Pb) atoms to the sum of the three A cations (number of methylammonium (MA) molecules + number of formamidinium (FA) molecules + number of cesium (Cs) cations) in the precursor solution.

Fig. 3
Fig. 3

a) Comparison of the stability for different stoichiometric ratios at 5 kHz repetition rate. b) At a low repetition rate of 100 Hz, the ASE wavelength red-shift is significantly reduced. Insets: Normalised spectra of the first (blue) and of the last (red) spectrum.

Fig. 4
Fig. 4

a) PL spectra of triple cation perovskites with halide compositions ranging from Cl0.2Br0.8 to I1.0. b) ASE spectra of the samples were optical gain was achieved in the investigated fluence range. c) A photograph of the samples corresponding to the emission spectra in a).

Fig. 5
Fig. 5

a) FWHM of the PL and ASE spectra for triple cation perovskites with different halide ratios. b) ASE peak wavelengths in dependence of the halide composition. c) ASE thresholds for different halide compositions. d) XRD patterns of I0.8Br2.0 (exhibiting ASE) and I0.4Br6.0 (not exhibiting ASE).

Fig. 6
Fig. 6

ASE emission intensity stability for different halide compositions.

Fig. 7
Fig. 7

ASE thresholds for different amounts of Cs in Csx(MA0.17FA0.83)1-xPb(Br0.17I0.83)3 perovskites. No ASE was detected in films without Cs for the applied fabrication protocol.

Fig. 8
Fig. 8

SEM images of Csx(MA0.17FA0.83)1-xPb(Br0.17I0.83)3 perovskite films with different Cs contents x: (a) x = 0, (b) x = 0.1, (c) x = 0.2 (d) and x = 0.3.

Fig. 9
Fig. 9

Absorptance spectra of triple cation perovskites Csx(MA0.17FA0.83)1-xPb(Br0.17I0.83)3 films with (x = 0.1) and without addition of Cs (x = 0). Without Cs the films show a less steep bandgap which indicates an incomplete crystallization.

Fig. 10
Fig. 10

Photograph of films with different stoichiometric ratios. On the top row, the Pb/A ratio from left to right is: 0.8, 0.84, 0.88, 0.94, 1 and 1.04. The bottom row shows photographs made from the backside of the films with ratios Pb/A of 0.84. 0.94 and 1.

Fig. 11
Fig. 11

ASE thresholds of perovskites for different annealing temperatures and a stoichiometry of Cs0.15(MA0.17FA0.83)0.85Pb0.88(I0.84Br0.16)2.76) Note: Not all of the films annealed at 80°C exhibited ASE.

Fig. 12
Fig. 12

Long term stability measurements under continuous illumination at 5 kHz of perovskites with stoichiometry Cs0.15(MA0.17FA0.83)0.85Pb0.88(I0.83Br0.17)2.76): a) Maximum intensity b) ASE peak wavelength.

Fig. 13
Fig. 13

Absorptance spectra of the films with halides ranging from I1 to Br0.8Cl0.2.

Fig. 14
Fig. 14

SEM images of perovskites with different halide compositions.

Fig. 15
Fig. 15

ASE peak wavelength red-shift per hour for different halide compositions.

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