Abstract

A new apatite phosphor Sr4La2Ca4(PO4)6O2:Ce3+ with bright long wavelength emission was synthesized by solid state reaction. The crystal structure and its photoluminescence properties were studied through X-ray diffraction refinement, excitation and emission spectra. Sr4La2Ca4(PO4)6O2:Ce3+ phosphor can be effectively excited by UV light and emit intense green emission band at 506 nm due to the 5d-4f transitions of Ce3+. The concentration quenching as well as thermal quenching properties were also investigated in detail and were compared with the commercial green phosphor (LMS520B). In addition, a white LED lamp was fabricated by combining the optimized green-emitting Sr4La2Ca4(PO4)6O2:Ce3+ and the commercial red phosphor (ZYP630) with a GaN chip (365~370 nm). The Commission International de l'Eclairage (CIE) chromaticity coordinates, correlated color temperature (CCT) and color-rendering index (CRI) were found to be (0.347, 0.340), 4868 K and 84.6, respectively, and the luminous efficacy is measured to be 30.63 lm/W at room temperature with a forward-bias current of 200mA.

© 2013 OSA

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2013 (1)

2012 (8)

Y. Zhang, L. Wu, M. Ji, B. Wang, Y. Kong, and J. Xu, “Structure and photoluminescence properties of KSr4(BO3)3:Eu3+ red-emitting phosphor,” Opt. Mater. Express 2(1), 92–102 (2012).
[Crossref]

H. Li, H. K. Yang, B. K. Moon, B. C. Choi, J. H. Jeong, K. Jang, H. S. Lee, and S. S. Yi, “Tunable photoluminescence properties of Eu(II)- and Sm(III)-coactivated Ca9Y(PO4)7 and energy transfer between Eu(II) and Sm(III),” Opt. Mater. Express 2(4), 443–451 (2012).
[Crossref]

M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
[Crossref]

R. M. Farrell, E. C. Young, F. Wu, S. P. DenBaars, and J. S. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

J. Jewell, D. Simeonov, S.-C. Huang, Y.-L. Hu, S. Nakamura, J. Speck, and C. Weisbuch, “Double embedded photonic crystals for extraction of guided light in light-emitting diodes,” Appl. Phys. Lett. 100(17), 171105 (2012).
[Crossref]

E. Francesco Pecora, W. Zhang, A. Yu. Nikiforov, L. Zhou, D. J. Smith, J. Yin, R. Paiella, L. Dal Negro, and T. D. Moustakas, “Sub-250 nm room-temperature optical gain from AlGaN/AlN multiple quantum wells with strong band-structure potential fluctuations,” Appl. Phys. Lett. 100(6), 061111 (2012).
[Crossref]

S. K. K. Shaat, H. C. Swart, and O. M. Ntwaeaborwa, “Synthesis and characterization of white light emitting CaxSr1-xAl2O4: Tb3+, Eu3+ phosphor for solid state lighting,” Opt. Mater. Express 2(7), 962–968 (2012).
[Crossref]

X. Wang, X. Yan, W. Li, and K. Sun, “Doped quantum dots for white-light-emitting diodes without reabsorption of multiphase phosphors,” Adv. Mater. 24(20), 2742–2747 (2012).
[Crossref] [PubMed]

2011 (12)

J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid- and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
[Crossref]

Y. Taniyasu and M. Kasu, “Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices,” Appl. Phys. Lett. 99(25), 251112 (2011).
[Crossref]

H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
[Crossref] [PubMed]

J. Zhang and N. Tansu, “Improvement in spontaneous emission rates for InGaN quantum wells on ternary InGaN substrate for light-emitting diodes,” J. Appl. Phys. 110(11), 113110 (2011).
[Crossref]

Y. Wen, Y. Wang, F. Zhang, and B. Liu, “Near-ultraviolet excitable Ca4Y6(SiO4)6O: Ce3+, Tb3+ white phosphors for light-emitting diodes,” Mater. Chem. Phys. 129(3), 1171–1175 (2011).
[Crossref]

H. Yokota, M. Yoshida, H. Ishibashi, T. Yano, H. Yamamoto, and S. Kikkawa, “Cathodoluminescence of Ce-doped Gd2SiO5 and Gd9.33(SiO4)6O2 phosphor under continuous electron irradiation,” J. Alloy. Comp. 509(3), 800–804 (2011).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Tunable luminescence of Ce3+/Mn2+-coactivated Ca2Gd8(SiO4)6O2 through energy transfer and modulation of excitation: potential single-phase white/yellow-emitting phosphors,” J. Mater. Chem. 21(35), 13334–13344 (2011).
[Crossref]

G. Zhu, Y. H. Wang, Z. P. Ci, B. L. Liu, Y. R. Shi, and S. Y. Xin, “Ca5La5(SiO4)3(PO4)3O2:Ce3+,Mn2+: A Color-Tunable Phosphor with Efficient Energy Transfer for White-Light-Emitting Diodes,” J. Electrochem. Soc. 158(8), J236–J242 (2011).
[Crossref]

H. C. Kuo, C. W. Hung, H. C. Chen, K. J. Chen, C. H. Wang, C. W. Sher, C. C. Yeh, C. C. Lin, C. H. Chen, and Y. J. Cheng, “Patterned structure of remote phosphor for phosphor-converted white LEDs,” Opt. Express 19(S4Suppl 4), A930–A936 (2011).
[Crossref] [PubMed]

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios,” IEEE Photonics J. 3(3), 489–499 (2011).
[Crossref]

2010 (8)

C. M. Zhang, S. S. Huang, D. M. Yang, X. J. Kang, M. M. Shang, C. Peng, and J. Lin, “Tunable luminescence in Ce3+, Mn2+ -codoped calcium fluorapatite through combining emissions and modulation of excitation: a novel strategy to white light emission,” J. Mater. Chem. 20(32), 6674–6680 (2010).
[Crossref]

N. Tansu, H. Zhao, G. Liu, X.-H. Li, J. Zhang, H. Tong, and Y.-K. Ee, “III-Nitride Photonics,” IEEE Photonics J. 2(2), 241–248 (2010).
[Crossref]

Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
[Crossref]

J. Zhang, H. Zhao, and N. Tansu, “Effect of crystal-field split-off hole and heavy-hole bands crossover on gain characteristics of high Al-content AlGaN quantum well lasers,” Appl. Phys. Lett. 97(11), 111105 (2010).
[Crossref]

E. Jang, S. Jun, H. Jang, J. Lim, B. Kim, and Y. Kim, “White-light-emitting diodes with quantum dot color converters for display backlights,” Adv. Mater. 22(28), 3076–3080 (2010).
[Crossref] [PubMed]

S. Ye, F. Xiao, Y. X. Pan, Y. Y. Ma, and Q. Y. Zhang, “Phosphors in Phosphor-converted white light-emitting diodes: Recent advances in materials, techniques and properties,” Mater. Sci. Eng. Rep. 71(1), 1–34 (2010).
[Crossref]

L. Wang, X. Zhang, Z. D. Hao, Y. S. Luo, X. J. Wang, and J. H. Zhang, “Enriching red emission of Y3Al5O12: Ce3+ by codoping Pr3+ and Cr3+ for improving color rendering of white LEDs,” Opt. Express 18(24), 25177–25182 (2010).
[Crossref] [PubMed]

W. R. Liu, C. C. Lin, Y. C. Chiu, Y. T. Yeh, S. M. Jang, and R. S. Liu, “ZnB2O4:Bi3+,Eu3+: a highly efficient, red-emitting phosphor,” Opt. Express 18(3), 2946–2951 (2010).
[Crossref] [PubMed]

2009 (5)

M. H. Crawford, “LEDs for solid state lighting: Performance challenges and recent advances,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1028–1040 (2009).
[Crossref]

Y. K. Ee, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Metalorganic Vapor Phase Epitaxy of III-Nitride Light-Emitting Diodes on Nanopatterned AGOG Sapphire Substrate by Abbreviated Growth Mode,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1066–1072 (2009).
[Crossref]

W. P. Chen, H. B. Liang, B. Han, J. P. Zhong, and Q. Su, “Emitting-Color Tunable Phosphors Sr3GaO4F:Ce3+ at Ultraviolet Light and Low-Voltage Electron Beam Excitation,” J. Phys. Chem. C 113(39), 17194–17199 (2009).
[Crossref]

T. Shalapska, G. Stryganyuk, P. Demchenko, A. Voloshinovskii, and P. Dorenbos, “Luminescence properties of Ce3+-doped LiGdP4O12 upon vacuum-ultraviolet and x-ray excitation,” J. Phys. Condens. Matter 21(44), 445901 (2009).
[Crossref] [PubMed]

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

2007 (1)

H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y3Al5O12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007).
[Crossref]

2006 (1)

A. A. Setlur, W. J. Heward, Y. Gao, A. M. Srivastava, R. G. Chandran, and M. V. Shankar, “Crystal Chemistry and Luminescence of Ce3+-Doped Lu2CaMg2(Si,Ge)3O12 and Its Use in LED Based Lighting,” Chem. Mater. 18(14), 3314–3322 (2006).
[Crossref]

2003 (1)

H. Miura, T. Ushio, K. Nagai, D. Fujimoto, Z. Lepp, H. Takahashi, and R. Tamura, “Crystallization of a Desired Metastable Polymorph by Pseudoseeding, Crystal Structure Solution from Its Powder X-ray Diffraction Data, and Confirmation of Polymorphic Transition,” Cryst. Growth Des. 3(6), 959–965 (2003).
[Crossref]

2001 (1)

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

1998 (1)

P. D. Rack and P. H. Holloway, “The structure, device physics, and material properties of thin film electroluminescent displays,” Mater. Sci. Eng. Rep. 21(4), 171–219 (1998).
[Crossref]

1995 (1)

J. Lin and Q. Su, “Luminescence and Energy Transfer of Rare-earth-metal Ions in Mg2Y8(SiO4)6O2,” J. Mater. Chem. 5(8), 1151–1154 (1995).
[Crossref]

1994 (1)

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGaN/AlGaN double-heterostructure blue-light-emitting diodes,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

1987 (1)

B. M. J. Smets, “Phosphors based on rare-earths, a new era in fluorescent lighting,” Mater. Chem. Phys. 16(3-4), 283–299 (1987).
[Crossref]

(Bert) Hintzen, H. T.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Biser, J. M.

Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
[Crossref]

Y. K. Ee, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Metalorganic Vapor Phase Epitaxy of III-Nitride Light-Emitting Diodes on Nanopatterned AGOG Sapphire Substrate by Abbreviated Growth Mode,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1066–1072 (2009).
[Crossref]

Boulon, G.

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

Brenier, A.

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

Brinkley, S. E.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Cao, W.

Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
[Crossref]

Y. K. Ee, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Metalorganic Vapor Phase Epitaxy of III-Nitride Light-Emitting Diodes on Nanopatterned AGOG Sapphire Substrate by Abbreviated Growth Mode,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1066–1072 (2009).
[Crossref]

Chan, H. M.

Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
[Crossref]

Y. K. Ee, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Metalorganic Vapor Phase Epitaxy of III-Nitride Light-Emitting Diodes on Nanopatterned AGOG Sapphire Substrate by Abbreviated Growth Mode,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1066–1072 (2009).
[Crossref]

Chandran, R. G.

A. A. Setlur, W. J. Heward, Y. Gao, A. M. Srivastava, R. G. Chandran, and M. V. Shankar, “Crystal Chemistry and Luminescence of Ce3+-Doped Lu2CaMg2(Si,Ge)3O12 and Its Use in LED Based Lighting,” Chem. Mater. 18(14), 3314–3322 (2006).
[Crossref]

Chen, C. H.

Chen, H.

Chen, H. C.

Chen, K. J.

Chen, W. P.

W. P. Chen, H. B. Liang, B. Han, J. P. Zhong, and Q. Su, “Emitting-Color Tunable Phosphors Sr3GaO4F:Ce3+ at Ultraviolet Light and Low-Voltage Electron Beam Excitation,” J. Phys. Chem. C 113(39), 17194–17199 (2009).
[Crossref]

Cheng, Y. J.

Cheng, Z. Y.

G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Tunable luminescence of Ce3+/Mn2+-coactivated Ca2Gd8(SiO4)6O2 through energy transfer and modulation of excitation: potential single-phase white/yellow-emitting phosphors,” J. Mater. Chem. 21(35), 13334–13344 (2011).
[Crossref]

Chiu, Y. C.

Choi, B. C.

Ci, Z. P.

G. Zhu, Y. H. Wang, Z. P. Ci, B. L. Liu, Y. R. Shi, and S. Y. Xin, “Ca5La5(SiO4)3(PO4)3O2:Ce3+,Mn2+: A Color-Tunable Phosphor with Efficient Energy Transfer for White-Light-Emitting Diodes,” J. Electrochem. Soc. 158(8), J236–J242 (2011).
[Crossref]

Cohen-Adad, M.

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

Collombet, A.

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

Crawford, M. H.

M. H. Crawford, “LEDs for solid state lighting: Performance challenges and recent advances,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1028–1040 (2009).
[Crossref]

Dal Negro, L.

E. Francesco Pecora, W. Zhang, A. Yu. Nikiforov, L. Zhou, D. J. Smith, J. Yin, R. Paiella, L. Dal Negro, and T. D. Moustakas, “Sub-250 nm room-temperature optical gain from AlGaN/AlN multiple quantum wells with strong band-structure potential fluctuations,” Appl. Phys. Lett. 100(6), 061111 (2012).
[Crossref]

Demchenko, P.

T. Shalapska, G. Stryganyuk, P. Demchenko, A. Voloshinovskii, and P. Dorenbos, “Luminescence properties of Ce3+-doped LiGdP4O12 upon vacuum-ultraviolet and x-ray excitation,” J. Phys. Condens. Matter 21(44), 445901 (2009).
[Crossref] [PubMed]

Denault, K. A.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

DenBaars, S. P.

R. M. Farrell, E. C. Young, F. Wu, S. P. DenBaars, and J. S. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Dierolf, V.

Dorenbos, P.

T. Shalapska, G. Stryganyuk, P. Demchenko, A. Voloshinovskii, and P. Dorenbos, “Luminescence properties of Ce3+-doped LiGdP4O12 upon vacuum-ultraviolet and x-ray excitation,” J. Phys. Condens. Matter 21(44), 445901 (2009).
[Crossref] [PubMed]

Ee, Y. K.

X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios,” IEEE Photonics J. 3(3), 489–499 (2011).
[Crossref]

Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
[Crossref]

Y. K. Ee, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Metalorganic Vapor Phase Epitaxy of III-Nitride Light-Emitting Diodes on Nanopatterned AGOG Sapphire Substrate by Abbreviated Growth Mode,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1066–1072 (2009).
[Crossref]

Ee, Y.-K.

N. Tansu, H. Zhao, G. Liu, X.-H. Li, J. Zhang, H. Tong, and Y.-K. Ee, “III-Nitride Photonics,” IEEE Photonics J. 2(2), 241–248 (2010).
[Crossref]

Farrell, R. M.

R. M. Farrell, E. C. Young, F. Wu, S. P. DenBaars, and J. S. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

Francesco Pecora, E.

E. Francesco Pecora, W. Zhang, A. Yu. Nikiforov, L. Zhou, D. J. Smith, J. Yin, R. Paiella, L. Dal Negro, and T. D. Moustakas, “Sub-250 nm room-temperature optical gain from AlGaN/AlN multiple quantum wells with strong band-structure potential fluctuations,” Appl. Phys. Lett. 100(6), 061111 (2012).
[Crossref]

Fujimoto, D.

H. Miura, T. Ushio, K. Nagai, D. Fujimoto, Z. Lepp, H. Takahashi, and R. Tamura, “Crystallization of a Desired Metastable Polymorph by Pseudoseeding, Crystal Structure Solution from Its Powder X-ray Diffraction Data, and Confirmation of Polymorphic Transition,” Cryst. Growth Des. 3(6), 959–965 (2003).
[Crossref]

Fukuda, T.

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

Gao, Y.

A. A. Setlur, W. J. Heward, Y. Gao, A. M. Srivastava, R. G. Chandran, and M. V. Shankar, “Crystal Chemistry and Luminescence of Ce3+-Doped Lu2CaMg2(Si,Ge)3O12 and Its Use in LED Based Lighting,” Chem. Mater. 18(14), 3314–3322 (2006).
[Crossref]

Geng, D. L.

M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Tunable luminescence of Ce3+/Mn2+-coactivated Ca2Gd8(SiO4)6O2 through energy transfer and modulation of excitation: potential single-phase white/yellow-emitting phosphors,” J. Mater. Chem. 21(35), 13334–13344 (2011).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
[Crossref]

Gilchrist, J. F.

X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios,” IEEE Photonics J. 3(3), 489–499 (2011).
[Crossref]

Han, B.

W. P. Chen, H. B. Liang, B. Han, J. P. Zhong, and Q. Su, “Emitting-Color Tunable Phosphors Sr3GaO4F:Ce3+ at Ultraviolet Light and Low-Voltage Electron Beam Excitation,” J. Phys. Chem. C 113(39), 17194–17199 (2009).
[Crossref]

Hao, Z. D.

Heward, W. J.

A. A. Setlur, W. J. Heward, Y. Gao, A. M. Srivastava, R. G. Chandran, and M. V. Shankar, “Crystal Chemistry and Luminescence of Ce3+-Doped Lu2CaMg2(Si,Ge)3O12 and Its Use in LED Based Lighting,” Chem. Mater. 18(14), 3314–3322 (2006).
[Crossref]

Holloway, P. H.

P. D. Rack and P. H. Holloway, “The structure, device physics, and material properties of thin film electroluminescent displays,” Mater. Sci. Eng. Rep. 21(4), 171–219 (1998).
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Hu, Y.-L.

J. Jewell, D. Simeonov, S.-C. Huang, Y.-L. Hu, S. Nakamura, J. Speck, and C. Weisbuch, “Double embedded photonic crystals for extraction of guided light in light-emitting diodes,” Appl. Phys. Lett. 100(17), 171105 (2012).
[Crossref]

Huang, S. S.

C. M. Zhang, S. S. Huang, D. M. Yang, X. J. Kang, M. M. Shang, C. Peng, and J. Lin, “Tunable luminescence in Ce3+, Mn2+ -codoped calcium fluorapatite through combining emissions and modulation of excitation: a novel strategy to white light emission,” J. Mater. Chem. 20(32), 6674–6680 (2010).
[Crossref]

Huang, S.-C.

J. Jewell, D. Simeonov, S.-C. Huang, Y.-L. Hu, S. Nakamura, J. Speck, and C. Weisbuch, “Double embedded photonic crystals for extraction of guided light in light-emitting diodes,” Appl. Phys. Lett. 100(17), 171105 (2012).
[Crossref]

Hung, C. W.

Im, W. B.

H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y3Al5O12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007).
[Crossref]

Ishibashi, H.

H. Yokota, M. Yoshida, H. Ishibashi, T. Yano, H. Yamamoto, and S. Kikkawa, “Cathodoluminescence of Ce-doped Gd2SiO5 and Gd9.33(SiO4)6O2 phosphor under continuous electron irradiation,” J. Alloy. Comp. 509(3), 800–804 (2011).
[Crossref]

Jang, E.

E. Jang, S. Jun, H. Jang, J. Lim, B. Kim, and Y. Kim, “White-light-emitting diodes with quantum dot color converters for display backlights,” Adv. Mater. 22(28), 3076–3080 (2010).
[Crossref] [PubMed]

Jang, H.

E. Jang, S. Jun, H. Jang, J. Lim, B. Kim, and Y. Kim, “White-light-emitting diodes with quantum dot color converters for display backlights,” Adv. Mater. 22(28), 3076–3080 (2010).
[Crossref] [PubMed]

Jang, H. S.

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y3Al5O12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007).
[Crossref]

Jang, K.

Jang, S. M.

Jeon, D. Y.

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y3Al5O12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007).
[Crossref]

Jeong, J. H.

Jewell, J.

J. Jewell, D. Simeonov, S.-C. Huang, Y.-L. Hu, S. Nakamura, J. Speck, and C. Weisbuch, “Double embedded photonic crystals for extraction of guided light in light-emitting diodes,” Appl. Phys. Lett. 100(17), 171105 (2012).
[Crossref]

Ji, M.

Jun, S.

E. Jang, S. Jun, H. Jang, J. Lim, B. Kim, and Y. Kim, “White-light-emitting diodes with quantum dot color converters for display backlights,” Adv. Mater. 22(28), 3076–3080 (2010).
[Crossref] [PubMed]

Kang, X. J.

M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
[Crossref]

C. M. Zhang, S. S. Huang, D. M. Yang, X. J. Kang, M. M. Shang, C. Peng, and J. Lin, “Tunable luminescence in Ce3+, Mn2+ -codoped calcium fluorapatite through combining emissions and modulation of excitation: a novel strategy to white light emission,” J. Mater. Chem. 20(32), 6674–6680 (2010).
[Crossref]

Kasu, M.

Y. Taniyasu and M. Kasu, “Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices,” Appl. Phys. Lett. 99(25), 251112 (2011).
[Crossref]

Kikkawa, S.

H. Yokota, M. Yoshida, H. Ishibashi, T. Yano, H. Yamamoto, and S. Kikkawa, “Cathodoluminescence of Ce-doped Gd2SiO5 and Gd9.33(SiO4)6O2 phosphor under continuous electron irradiation,” J. Alloy. Comp. 509(3), 800–804 (2011).
[Crossref]

Kim, B.

E. Jang, S. Jun, H. Jang, J. Lim, B. Kim, and Y. Kim, “White-light-emitting diodes with quantum dot color converters for display backlights,” Adv. Mater. 22(28), 3076–3080 (2010).
[Crossref] [PubMed]

Kim, S. S.

H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y3Al5O12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007).
[Crossref]

Kim, Y.

E. Jang, S. Jun, H. Jang, J. Lim, B. Kim, and Y. Kim, “White-light-emitting diodes with quantum dot color converters for display backlights,” Adv. Mater. 22(28), 3076–3080 (2010).
[Crossref] [PubMed]

Kong, Y.

Kumnorkaew, P.

X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios,” IEEE Photonics J. 3(3), 489–499 (2011).
[Crossref]

Kuo, H. C.

Lebbou, K.

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

Lee, D. C.

H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y3Al5O12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007).
[Crossref]

Lee, H. S.

Lee, J.

G. Boulon, A. Collombet, A. Brenier, M. Cohen-Adad, A. Yoshikawa, K. Lebbou, J. Lee, and T. Fukuda, “Structural and Spectroscopic Characterization of Nominal Yb3+:Ca8La2(PO4)6O2 Oxyapatite Single Crystal Fibers Grown by the Micro-Pulling-Down Method,” Adv. Funct. Mater. 11(4), 263–270 (2001).
[Crossref]

Lepp, Z.

H. Miura, T. Ushio, K. Nagai, D. Fujimoto, Z. Lepp, H. Takahashi, and R. Tamura, “Crystallization of a Desired Metastable Polymorph by Pseudoseeding, Crystal Structure Solution from Its Powder X-ray Diffraction Data, and Confirmation of Polymorphic Transition,” Cryst. Growth Des. 3(6), 959–965 (2003).
[Crossref]

Li, G. G.

M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Tunable luminescence of Ce3+/Mn2+-coactivated Ca2Gd8(SiO4)6O2 through energy transfer and modulation of excitation: potential single-phase white/yellow-emitting phosphors,” J. Mater. Chem. 21(35), 13334–13344 (2011).
[Crossref]

Li, H.

Li, W.

X. Wang, X. Yan, W. Li, and K. Sun, “Doped quantum dots for white-light-emitting diodes without reabsorption of multiphase phosphors,” Adv. Mater. 24(20), 2742–2747 (2012).
[Crossref] [PubMed]

Li, X. H.

X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios,” IEEE Photonics J. 3(3), 489–499 (2011).
[Crossref]

Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
[Crossref]

Li, X.-H.

N. Tansu, H. Zhao, G. Liu, X.-H. Li, J. Zhang, H. Tong, and Y.-K. Ee, “III-Nitride Photonics,” IEEE Photonics J. 2(2), 241–248 (2010).
[Crossref]

Lian, H. Z.

M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
[Crossref]

Liang, H. B.

W. P. Chen, H. B. Liang, B. Han, J. P. Zhong, and Q. Su, “Emitting-Color Tunable Phosphors Sr3GaO4F:Ce3+ at Ultraviolet Light and Low-Voltage Electron Beam Excitation,” J. Phys. Chem. C 113(39), 17194–17199 (2009).
[Crossref]

Lim, J.

E. Jang, S. Jun, H. Jang, J. Lim, B. Kim, and Y. Kim, “White-light-emitting diodes with quantum dot color converters for display backlights,” Adv. Mater. 22(28), 3076–3080 (2010).
[Crossref] [PubMed]

Lin, C. C.

Lin, J.

M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
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G. G. Li, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Tunable luminescence of Ce3+/Mn2+-coactivated Ca2Gd8(SiO4)6O2 through energy transfer and modulation of excitation: potential single-phase white/yellow-emitting phosphors,” J. Mater. Chem. 21(35), 13334–13344 (2011).
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Ling, Q.

Liu, B.

Y. Wen, Y. Wang, F. Zhang, and B. Liu, “Near-ultraviolet excitable Ca4Y6(SiO4)6O: Ce3+, Tb3+ white phosphors for light-emitting diodes,” Mater. Chem. Phys. 129(3), 1171–1175 (2011).
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G. Zhu, Y. H. Wang, Z. P. Ci, B. L. Liu, Y. R. Shi, and S. Y. Xin, “Ca5La5(SiO4)3(PO4)3O2:Ce3+,Mn2+: A Color-Tunable Phosphor with Efficient Energy Transfer for White-Light-Emitting Diodes,” J. Electrochem. Soc. 158(8), J236–J242 (2011).
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Liu, R. S.

Liu, W. R.

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S. Ye, F. Xiao, Y. X. Pan, Y. Y. Ma, and Q. Y. Zhang, “Phosphors in Phosphor-converted white light-emitting diodes: Recent advances in materials, techniques and properties,” Mater. Sci. Eng. Rep. 71(1), 1–34 (2010).
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Paiella, R.

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S. Ye, F. Xiao, Y. X. Pan, Y. Y. Ma, and Q. Y. Zhang, “Phosphors in Phosphor-converted white light-emitting diodes: Recent advances in materials, techniques and properties,” Mater. Sci. Eng. Rep. 71(1), 1–34 (2010).
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G. G. Li, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Tunable luminescence of Ce3+/Mn2+-coactivated Ca2Gd8(SiO4)6O2 through energy transfer and modulation of excitation: potential single-phase white/yellow-emitting phosphors,” J. Mater. Chem. 21(35), 13334–13344 (2011).
[Crossref]

G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
[Crossref]

C. M. Zhang, S. S. Huang, D. M. Yang, X. J. Kang, M. M. Shang, C. Peng, and J. Lin, “Tunable luminescence in Ce3+, Mn2+ -codoped calcium fluorapatite through combining emissions and modulation of excitation: a novel strategy to white light emission,” J. Mater. Chem. 20(32), 6674–6680 (2010).
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S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
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G. G. Li, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Tunable luminescence of Ce3+/Mn2+-coactivated Ca2Gd8(SiO4)6O2 through energy transfer and modulation of excitation: potential single-phase white/yellow-emitting phosphors,” J. Mater. Chem. 21(35), 13334–13344 (2011).
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G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
[Crossref]

C. M. Zhang, S. S. Huang, D. M. Yang, X. J. Kang, M. M. Shang, C. Peng, and J. Lin, “Tunable luminescence in Ce3+, Mn2+ -codoped calcium fluorapatite through combining emissions and modulation of excitation: a novel strategy to white light emission,” J. Mater. Chem. 20(32), 6674–6680 (2010).
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A. A. Setlur, W. J. Heward, Y. Gao, A. M. Srivastava, R. G. Chandran, and M. V. Shankar, “Crystal Chemistry and Luminescence of Ce3+-Doped Lu2CaMg2(Si,Ge)3O12 and Its Use in LED Based Lighting,” Chem. Mater. 18(14), 3314–3322 (2006).
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Shi, Y. R.

G. Zhu, Y. H. Wang, Z. P. Ci, B. L. Liu, Y. R. Shi, and S. Y. Xin, “Ca5La5(SiO4)3(PO4)3O2:Ce3+,Mn2+: A Color-Tunable Phosphor with Efficient Energy Transfer for White-Light-Emitting Diodes,” J. Electrochem. Soc. 158(8), J236–J242 (2011).
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J. Jewell, D. Simeonov, S.-C. Huang, Y.-L. Hu, S. Nakamura, J. Speck, and C. Weisbuch, “Double embedded photonic crystals for extraction of guided light in light-emitting diodes,” Appl. Phys. Lett. 100(17), 171105 (2012).
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X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios,” IEEE Photonics J. 3(3), 489–499 (2011).
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J. Jewell, D. Simeonov, S.-C. Huang, Y.-L. Hu, S. Nakamura, J. Speck, and C. Weisbuch, “Double embedded photonic crystals for extraction of guided light in light-emitting diodes,” Appl. Phys. Lett. 100(17), 171105 (2012).
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R. M. Farrell, E. C. Young, F. Wu, S. P. DenBaars, and J. S. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
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A. A. Setlur, W. J. Heward, Y. Gao, A. M. Srivastava, R. G. Chandran, and M. V. Shankar, “Crystal Chemistry and Luminescence of Ce3+-Doped Lu2CaMg2(Si,Ge)3O12 and Its Use in LED Based Lighting,” Chem. Mater. 18(14), 3314–3322 (2006).
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T. Shalapska, G. Stryganyuk, P. Demchenko, A. Voloshinovskii, and P. Dorenbos, “Luminescence properties of Ce3+-doped LiGdP4O12 upon vacuum-ultraviolet and x-ray excitation,” J. Phys. Condens. Matter 21(44), 445901 (2009).
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X. Wang, X. Yan, W. Li, and K. Sun, “Doped quantum dots for white-light-emitting diodes without reabsorption of multiphase phosphors,” Adv. Mater. 24(20), 2742–2747 (2012).
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Takahashi, H.

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H. Miura, T. Ushio, K. Nagai, D. Fujimoto, Z. Lepp, H. Takahashi, and R. Tamura, “Crystallization of a Desired Metastable Polymorph by Pseudoseeding, Crystal Structure Solution from Its Powder X-ray Diffraction Data, and Confirmation of Polymorphic Transition,” Cryst. Growth Des. 3(6), 959–965 (2003).
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Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
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Y. K. Ee, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Metalorganic Vapor Phase Epitaxy of III-Nitride Light-Emitting Diodes on Nanopatterned AGOG Sapphire Substrate by Abbreviated Growth Mode,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1066–1072 (2009).
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T. Shalapska, G. Stryganyuk, P. Demchenko, A. Voloshinovskii, and P. Dorenbos, “Luminescence properties of Ce3+-doped LiGdP4O12 upon vacuum-ultraviolet and x-ray excitation,” J. Phys. Condens. Matter 21(44), 445901 (2009).
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Wang, C. H.

Wang, L.

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X. Wang, X. Yan, W. Li, and K. Sun, “Doped quantum dots for white-light-emitting diodes without reabsorption of multiphase phosphors,” Adv. Mater. 24(20), 2742–2747 (2012).
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Wang, Y.

Y. Wen, Y. Wang, F. Zhang, and B. Liu, “Near-ultraviolet excitable Ca4Y6(SiO4)6O: Ce3+, Tb3+ white phosphors for light-emitting diodes,” Mater. Chem. Phys. 129(3), 1171–1175 (2011).
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G. Zhu, Y. H. Wang, Z. P. Ci, B. L. Liu, Y. R. Shi, and S. Y. Xin, “Ca5La5(SiO4)3(PO4)3O2:Ce3+,Mn2+: A Color-Tunable Phosphor with Efficient Energy Transfer for White-Light-Emitting Diodes,” J. Electrochem. Soc. 158(8), J236–J242 (2011).
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J. Jewell, D. Simeonov, S.-C. Huang, Y.-L. Hu, S. Nakamura, J. Speck, and C. Weisbuch, “Double embedded photonic crystals for extraction of guided light in light-emitting diodes,” Appl. Phys. Lett. 100(17), 171105 (2012).
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Y. Wen, Y. Wang, F. Zhang, and B. Liu, “Near-ultraviolet excitable Ca4Y6(SiO4)6O: Ce3+, Tb3+ white phosphors for light-emitting diodes,” Mater. Chem. Phys. 129(3), 1171–1175 (2011).
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Xiao, F.

S. Ye, F. Xiao, Y. X. Pan, Y. Y. Ma, and Q. Y. Zhang, “Phosphors in Phosphor-converted white light-emitting diodes: Recent advances in materials, techniques and properties,” Mater. Sci. Eng. Rep. 71(1), 1–34 (2010).
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G. Zhu, Y. H. Wang, Z. P. Ci, B. L. Liu, Y. R. Shi, and S. Y. Xin, “Ca5La5(SiO4)3(PO4)3O2:Ce3+,Mn2+: A Color-Tunable Phosphor with Efficient Energy Transfer for White-Light-Emitting Diodes,” J. Electrochem. Soc. 158(8), J236–J242 (2011).
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X. Wang, X. Yan, W. Li, and K. Sun, “Doped quantum dots for white-light-emitting diodes without reabsorption of multiphase phosphors,” Adv. Mater. 24(20), 2742–2747 (2012).
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M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
[Crossref]

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Yang, H. K.

Yano, T.

H. Yokota, M. Yoshida, H. Ishibashi, T. Yano, H. Yamamoto, and S. Kikkawa, “Cathodoluminescence of Ce-doped Gd2SiO5 and Gd9.33(SiO4)6O2 phosphor under continuous electron irradiation,” J. Alloy. Comp. 509(3), 800–804 (2011).
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S. Ye, F. Xiao, Y. X. Pan, Y. Y. Ma, and Q. Y. Zhang, “Phosphors in Phosphor-converted white light-emitting diodes: Recent advances in materials, techniques and properties,” Mater. Sci. Eng. Rep. 71(1), 1–34 (2010).
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E. Francesco Pecora, W. Zhang, A. Yu. Nikiforov, L. Zhou, D. J. Smith, J. Yin, R. Paiella, L. Dal Negro, and T. D. Moustakas, “Sub-250 nm room-temperature optical gain from AlGaN/AlN multiple quantum wells with strong band-structure potential fluctuations,” Appl. Phys. Lett. 100(6), 061111 (2012).
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H. Yokota, M. Yoshida, H. Ishibashi, T. Yano, H. Yamamoto, and S. Kikkawa, “Cathodoluminescence of Ce-doped Gd2SiO5 and Gd9.33(SiO4)6O2 phosphor under continuous electron irradiation,” J. Alloy. Comp. 509(3), 800–804 (2011).
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H. Yokota, M. Yoshida, H. Ishibashi, T. Yano, H. Yamamoto, and S. Kikkawa, “Cathodoluminescence of Ce-doped Gd2SiO5 and Gd9.33(SiO4)6O2 phosphor under continuous electron irradiation,” J. Alloy. Comp. 509(3), 800–804 (2011).
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R. M. Farrell, E. C. Young, F. Wu, S. P. DenBaars, and J. S. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
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Yu. Nikiforov, A.

E. Francesco Pecora, W. Zhang, A. Yu. Nikiforov, L. Zhou, D. J. Smith, J. Yin, R. Paiella, L. Dal Negro, and T. D. Moustakas, “Sub-250 nm room-temperature optical gain from AlGaN/AlN multiple quantum wells with strong band-structure potential fluctuations,” Appl. Phys. Lett. 100(6), 061111 (2012).
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Zhang, C. M.

C. M. Zhang, S. S. Huang, D. M. Yang, X. J. Kang, M. M. Shang, C. Peng, and J. Lin, “Tunable luminescence in Ce3+, Mn2+ -codoped calcium fluorapatite through combining emissions and modulation of excitation: a novel strategy to white light emission,” J. Mater. Chem. 20(32), 6674–6680 (2010).
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Y. Wen, Y. Wang, F. Zhang, and B. Liu, “Near-ultraviolet excitable Ca4Y6(SiO4)6O: Ce3+, Tb3+ white phosphors for light-emitting diodes,” Mater. Chem. Phys. 129(3), 1171–1175 (2011).
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Zhang, J.

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G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
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H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
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J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid- and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
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J. Zhang, H. Zhao, and N. Tansu, “Effect of crystal-field split-off hole and heavy-hole bands crossover on gain characteristics of high Al-content AlGaN quantum well lasers,” Appl. Phys. Lett. 97(11), 111105 (2010).
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Zhong, J. P.

W. P. Chen, H. B. Liang, B. Han, J. P. Zhong, and Q. Su, “Emitting-Color Tunable Phosphors Sr3GaO4F:Ce3+ at Ultraviolet Light and Low-Voltage Electron Beam Excitation,” J. Phys. Chem. C 113(39), 17194–17199 (2009).
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E. Francesco Pecora, W. Zhang, A. Yu. Nikiforov, L. Zhou, D. J. Smith, J. Yin, R. Paiella, L. Dal Negro, and T. D. Moustakas, “Sub-250 nm room-temperature optical gain from AlGaN/AlN multiple quantum wells with strong band-structure potential fluctuations,” Appl. Phys. Lett. 100(6), 061111 (2012).
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G. Zhu, Y. H. Wang, Z. P. Ci, B. L. Liu, Y. R. Shi, and S. Y. Xin, “Ca5La5(SiO4)3(PO4)3O2:Ce3+,Mn2+: A Color-Tunable Phosphor with Efficient Energy Transfer for White-Light-Emitting Diodes,” J. Electrochem. Soc. 158(8), J236–J242 (2011).
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Appl. Phys. B (1)

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Chem. Mater. (1)

A. A. Setlur, W. J. Heward, Y. Gao, A. M. Srivastava, R. G. Chandran, and M. V. Shankar, “Crystal Chemistry and Luminescence of Ce3+-Doped Lu2CaMg2(Si,Ge)3O12 and Its Use in LED Based Lighting,” Chem. Mater. 18(14), 3314–3322 (2006).
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H. Miura, T. Ushio, K. Nagai, D. Fujimoto, Z. Lepp, H. Takahashi, and R. Tamura, “Crystallization of a Desired Metastable Polymorph by Pseudoseeding, Crystal Structure Solution from Its Powder X-ray Diffraction Data, and Confirmation of Polymorphic Transition,” Cryst. Growth Des. 3(6), 959–965 (2003).
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X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios,” IEEE Photonics J. 3(3), 489–499 (2011).
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J. Zhang and N. Tansu, “Improvement in spontaneous emission rates for InGaN quantum wells on ternary InGaN substrate for light-emitting diodes,” J. Appl. Phys. 110(11), 113110 (2011).
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J. Cryst. Growth (1)

Y. K. Ee, X. H. Li, J. M. Biser, W. Cao, H. M. Chan, R. P. Vinci, and N. Tansu, “Abbreviated MOVPE nucleation of III-nitride light-emitting diodes on nano-patterned sapphire,” J. Cryst. Growth 312(8), 1311–1315 (2010).
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G. G. Li, D. L. Geng, M. M. Shang, Y. Zhang, C. Peng, Z. Y. Cheng, and J. Lin, “Color Tuning Luminescence of Ce3+/Mn2+/Tb3+-Triactivated Mg2Y8(SiO4)6O2 via Energy Transfer: Potential Single-Phase White-Light-Emitting Phosphors,” J. Phys. Chem. C 115(44), 21882–21892 (2011).
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M. M. Shang, G. G. Li, D. L. Geng, D. M. Yang, X. J. Kang, Y. Zhang, H. Z. Lian, and J. Lin, “Blue Emitting Ca8La2(PO4)6O2:Ce3+/Eu2+ Phosphors with High Color Purity and Brightness for White LED: Soft-Chemical Synthesis, Luminescence, and Energy Transfer Properties,” J. Phys. Chem. C 116(18), 10222–10231 (2012).
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Figures (4)

Fig. 1
Fig. 1

(a) The experimental, calculated, background and difference results of the XRD reference of SLCPO host; (b) XRD patterns of SLCPO:Ce3+ phosphors with different Ce3+ doping contents.

Fig. 2
Fig. 2

(a) The PLE spectrum of SLCPO: 0.04Ce3+ phosphor monitored at 506 nm. (b) The PL spectra of SLCPO: xCe3+ (0.04≤x≤0.14) phosphors at 352 nm excitation; the inset shows the content dependent PL intensity and peak positions of SLCPO:xCe3+ phosphors.

Fig. 3
Fig. 3

(a) The temperature dependent emission spectra for SLCPO:0.08Ce3+ under 352 nm excitation. (b) The temperature dependent PL intensity, integral intensity and CIE coordinates of Sr4La2Ca4(PO4)6O2:0.08Ce3+compared with the com-green phosphor (LMS520B).

Fig. 4
Fig. 4

The temperature dependent CIE coordinates of SLCPO: Ce3+ and the EL spectrum of the WLED lamp fabricated by coating SLCPO: Ce3+ phosphor and commercial red phosphor (ZYP630) on a GaN chip (365~370 nm).

Tables (2)

Tables Icon

Table 1 The Final Parameters for Crystallography and Refinement

Tables Icon

Table 2 Optical Properties of Various WLEDs

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