Optical temperature sensing of NaYbF₄: Tm³⁺ @ SiO₂ core-shell micro-particles induced by infrared excitation

X. F. Wang, X. H. Yan, Y. Y. Bu, J. Zhen, and Y. Xuan, “Fabrication, photoluminescence, and potential application in white light emitting diode of Dy3+–Tm3+ doped transparent glass ceramics containing GdSr2F7 nanocrystals,” Appl. Phys., A Mater. Sci. Process. 112(2), 317–322 (2013).
[Crossref]

W. Xu, H. Zhao, Z. G. Zhang, and W. W. Cao, “Highly sensitive optical thermometry through thermally enhanced near infrared emissions from Nd3+/Yb3+ codoped oxyfluoride glass ceramic,” Sens. Actuators B Chem. 178, 520–524 (2013).
[Crossref]

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

F. Zhang, G.B. Braun, A. Pallaoro, Y.C. Zhang, Y.G. Shi, D.X. Cui, M. Moskovits, D.Y. Zhao, and G.D. Stucky, “Mesoporous multifunctional upconversion luminescent and magnetic “nanorattle” materials for targeted chemotherapy,” Nano Lett. 12(1), 61–67 (2012).

H. S. Jang, K. Woo, and K. Lim, “Bright dual-mode green emission from selective set of dopant ions in β-Na(Y,Gd)F4: Yb,Er/β-NaGdF4:Ce,Tb core/shell nanocrystals,” Opt. Express 20(15), 17107–17118 (2012).
[Crossref]

Z. Boruc, M. Kaczkan, B. Fetlinski, S. Turczynski, and M. Malinowski, “Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing,” Opt. Lett. 37(24), 5214–5216 (2012).
[Crossref] [PubMed]

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

D. Jaque and F. Vetrone, “Luminescence nanothermometry,” Nanoscale 4(15), 4301–4326 (2012).
[Crossref] [PubMed]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

W. Xu, X. Y. Gao, L. J. Zheng, Z. G. Zhang, and W. W. Cao, “An optical temperature sensor based on the upconversion luminescence from Tm3+/Yb3+ codoped oxyfluoride glass ceramic,” Sens. Actuators B Chem. 173, 250–253 (2012).
[Crossref]

N. Rakov and G. S. Maciel, “Three-photon upconversion and optical thermometry characterization of Er3+:Yb3+ co-doped yttrium silicate powders,” Sens. Actuators B Chem. 164(1), 96–100 (2012).
[Crossref]

S. F. León-Luis, U. R. Rodríguez-Mendoza, E. Lalla, and V. Lavín, “Temperature sensor based on the Er3+ green upconverted emission in a fluorotellurite glass,” Sens. Actuators B Chem. 158(1), 208–213 (2011).
[Crossref]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

F. Lahoz, C. P. Rodríguez, S. E. Hernández, I. R. Martín, V. Lavín, and U. R. R. Mendoza, “Upconversion mechanisms in rare-earth doped glasses to improve the efficiency of silicon solar cells,” Sol. Energy Mater. Sol. Cells 95(7), 1671–1677 (2011).
[Crossref]

D. T. Tu, L. Q. Liu, Q. Ju, Y. S. Liu, H. M. Zhu, R. F. Li, and X. Y. Chen, “Time-resolved FRET biosensor based on amine-functionalized lanthanide-doped NaYF4 nanocrystals,” Angew. Chem. Int. Ed. Engl. 50(28), 6306–6310 (2011).
[Crossref] [PubMed]

F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
[Crossref] [PubMed]

M. Quintanilla, E. Cantelar, F. Cussó, M. Villegas, and A. C. Caballero, “Temperature Sensing with Up-Converting Submicron-Sized LiNbO3:Er3+/Yb3+ Particles,” Appl. Phys. Express 4(2), 022601 (2011).
[Crossref]

Y. S. Liu, D. T. Tu, H. M. Zhu, R. F. Li, W. Q. Luo, and X. Y. Chen, “A strategy to achieve efficient dual-mode luminescence of Eu(3+) in lanthanides doped multifunctional NaGdF4 nanocrystals,” Adv. Mater. 22(30), 3266–3271 (2010).
[Crossref] [PubMed]

F. Vetrone, R. Naccache, V. Mahalingam, C. G. Morgan, and J. A. Capobianco, “The active-core/active-shell approach: a strategy to enhance the upconversion luminescence in lanthanide-doped nanoparticles,” Adv. Funct. Mater. 19(18), 2924–2929 (2009).

M. Wang, C. C. Mi, Y. X. Zhang, J. L. Liu, F. Li, C. B. Mao, and S. K. Xu, “NIR-Responsive Silica-Coated NaYbF4:Er/Tm/Ho Upconversion Fluorescent Nanoparticles with Tunable Emission Colors and Their Applications in Immunolabeling and Fluorescent Imaging of Cancer Cells,” J. Phys. Chem. C 113(44), 19021–19027 (2009).
[Crossref]

G. F. Wang, W. P. Qin, L. L. Wang, G. D. Wei, P. F. Zhu, and R. Kim, “Intense ultraviolet upconversion luminescence from hexagonal NaYF4:Yb3+/Tm3+ microcrystals,” Opt. Express 16(16), 11907–11914 (2008).
[Crossref] [PubMed]

G. De, W. P. Qin, J. S. Zhang, J. S. Zhang, Y. Wang, C. Y. Cao, and Y. Cui, “Infrared-to-ultraviolet up-conversion luminescence of YF3:Yb3+, Tm3+ microsheets,” J. Lumin. 122–123, 128–130 (2007).
[Crossref]

J. F. Suyver, J. Grimm, M. K. Veen, D. Biner, K. W. Kramer, and H. U. Gudel, “Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+,” J. Lumin. 117(1), 1–12 (2006).
[Crossref]

J. Fernandez, A. J. Garcia-Adeva, and R. Balda, “Anti-Stokes Laser Cooling in Bulk Erbium-Doped Materials,” Phys. Rev. Lett. 97(3), 033001 (2006).
[Crossref] [PubMed]

L. Aigouy, G. Tessier, M. Mortier, and B. Charlot, “Scanning thermal imaging of microelectronic circuits with a fluorescent nanoprobe,” Appl. Phys. Lett. 87(18), 184105 (2005).
[Crossref]

S. A. Wade, S. F. Collins, and G. W. Baxter, “Fluorescence intensity ratio technique for optical fiber point temperature sensing,” J. Appl. Phys. 94(8), 4743–4756 (2003).
[Crossref]

F. van De Rijke, H. Zijlmans, S. Li, T. Vail, A. K. Raap, R. S. Niedbala, and H. J. Tanke, “Up-converting phosphor reporters for nucleic acid microarrays,” Nat. Biotechnol. 19(3), 273–276 (2001).
[Crossref] [PubMed]

C. W. Hoyt, M. Sheik-Bahae, R. I. Epstein, B. C. Edwards, and J. E. Anderson, “Observation of Anti-Stokes Fluorescence Cooling in Thulium-Doped Glass,” Phys. Rev. Lett. 85(17), 3600–3603 (2000).
[Crossref] [PubMed]

P. V. dos Santos, M. T. de Araujo, A. S. Gouveia-Neto, J. A. Medeiros Neto, and A. S. B. Sombra, “Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped chalcogenide glass,” Appl. Phys. Lett. 73(5), 578–580 (1998).
[Crossref]

R. Scheps, “Upconversion laser processes,” Prog. Quantum Electron. 20(4), 271–358 (1996).
[Crossref]

M. J. Weber, D. C. Ziegler, and C. A. Angell, “Tailoring stimulated emission cross sections of Nd3+ laser glass: Observation of large cross sections for BiCl3 glasses,” J. Appl. Phys. 53(6), 4344–4350 (1982).
[Crossref]

M. J. Weber, “Radiative and Multiphonon Relaxation of Rare-Earth Ions in Y2O3,” Phys. Rev. 171(2), 283–291 (1968).
[Crossref]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

L. Aigouy, G. Tessier, M. Mortier, and B. Charlot, “Scanning thermal imaging of microelectronic circuits with a fluorescent nanoprobe,” Appl. Phys. Lett. 87(18), 184105 (2005).
[Crossref]

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

C. W. Hoyt, M. Sheik-Bahae, R. I. Epstein, B. C. Edwards, and J. E. Anderson, “Observation of Anti-Stokes Fluorescence Cooling in Thulium-Doped Glass,” Phys. Rev. Lett. 85(17), 3600–3603 (2000).
[Crossref] [PubMed]

M. J. Weber, D. C. Ziegler, and C. A. Angell, “Tailoring stimulated emission cross sections of Nd3+ laser glass: Observation of large cross sections for BiCl3 glasses,” J. Appl. Phys. 53(6), 4344–4350 (1982).
[Crossref]

J. Fernandez, A. J. Garcia-Adeva, and R. Balda, “Anti-Stokes Laser Cooling in Bulk Erbium-Doped Materials,” Phys. Rev. Lett. 97(3), 033001 (2006).
[Crossref] [PubMed]

S. A. Wade, S. F. Collins, and G. W. Baxter, “Fluorescence intensity ratio technique for optical fiber point temperature sensing,” J. Appl. Phys. 94(8), 4743–4756 (2003).
[Crossref]

J. F. Suyver, J. Grimm, M. K. Veen, D. Biner, K. W. Kramer, and H. U. Gudel, “Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+,” J. Lumin. 117(1), 1–12 (2006).
[Crossref]

Z. Boruc, M. Kaczkan, B. Fetlinski, S. Turczynski, and M. Malinowski, “Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing,” Opt. Lett. 37(24), 5214–5216 (2012).
[Crossref] [PubMed]

F. Zhang, G.B. Braun, A. Pallaoro, Y.C. Zhang, Y.G. Shi, D.X. Cui, M. Moskovits, D.Y. Zhao, and G.D. Stucky, “Mesoporous multifunctional upconversion luminescent and magnetic “nanorattle” materials for targeted chemotherapy,” Nano Lett. 12(1), 61–67 (2012).

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

X. F. Wang, X. H. Yan, Y. Y. Bu, J. Zhen, and Y. Xuan, “Fabrication, photoluminescence, and potential application in white light emitting diode of Dy3+–Tm3+ doped transparent glass ceramics containing GdSr2F7 nanocrystals,” Appl. Phys., A Mater. Sci. Process. 112(2), 317–322 (2013).
[Crossref]

M. Quintanilla, E. Cantelar, F. Cussó, M. Villegas, and A. C. Caballero, “Temperature Sensing with Up-Converting Submicron-Sized LiNbO3:Er3+/Yb3+ Particles,” Appl. Phys. Express 4(2), 022601 (2011).
[Crossref]

M. Quintanilla, E. Cantelar, F. Cussó, M. Villegas, and A. C. Caballero, “Temperature Sensing with Up-Converting Submicron-Sized LiNbO3:Er3+/Yb3+ Particles,” Appl. Phys. Express 4(2), 022601 (2011).
[Crossref]

G. De, W. P. Qin, J. S. Zhang, J. S. Zhang, Y. Wang, C. Y. Cao, and Y. Cui, “Infrared-to-ultraviolet up-conversion luminescence of YF3:Yb3+, Tm3+ microsheets,” J. Lumin. 122–123, 128–130 (2007).
[Crossref]

W. Xu, H. Zhao, Z. G. Zhang, and W. W. Cao, “Highly sensitive optical thermometry through thermally enhanced near infrared emissions from Nd3+/Yb3+ codoped oxyfluoride glass ceramic,” Sens. Actuators B Chem. 178, 520–524 (2013).
[Crossref]

W. Xu, X. Y. Gao, L. J. Zheng, Z. G. Zhang, and W. W. Cao, “An optical temperature sensor based on the upconversion luminescence from Tm3+/Yb3+ codoped oxyfluoride glass ceramic,” Sens. Actuators B Chem. 173, 250–253 (2012).
[Crossref]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

F. Vetrone, R. Naccache, V. Mahalingam, C. G. Morgan, and J. A. Capobianco, “The active-core/active-shell approach: a strategy to enhance the upconversion luminescence in lanthanide-doped nanoparticles,” Adv. Funct. Mater. 19(18), 2924–2929 (2009).

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

L. Aigouy, G. Tessier, M. Mortier, and B. Charlot, “Scanning thermal imaging of microelectronic circuits with a fluorescent nanoprobe,” Appl. Phys. Lett. 87(18), 184105 (2005).
[Crossref]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

D. T. Tu, L. Q. Liu, Q. Ju, Y. S. Liu, H. M. Zhu, R. F. Li, and X. Y. Chen, “Time-resolved FRET biosensor based on amine-functionalized lanthanide-doped NaYF4 nanocrystals,” Angew. Chem. Int. Ed. Engl. 50(28), 6306–6310 (2011).
[Crossref] [PubMed]

F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
[Crossref] [PubMed]

Y. S. Liu, D. T. Tu, H. M. Zhu, R. F. Li, W. Q. Luo, and X. Y. Chen, “A strategy to achieve efficient dual-mode luminescence of Eu(3+) in lanthanides doped multifunctional NaGdF4 nanocrystals,” Adv. Mater. 22(30), 3266–3271 (2010).
[Crossref] [PubMed]

S. A. Wade, S. F. Collins, and G. W. Baxter, “Fluorescence intensity ratio technique for optical fiber point temperature sensing,” J. Appl. Phys. 94(8), 4743–4756 (2003).
[Crossref]

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

F. Zhang, G.B. Braun, A. Pallaoro, Y.C. Zhang, Y.G. Shi, D.X. Cui, M. Moskovits, D.Y. Zhao, and G.D. Stucky, “Mesoporous multifunctional upconversion luminescent and magnetic “nanorattle” materials for targeted chemotherapy,” Nano Lett. 12(1), 61–67 (2012).

G. De, W. P. Qin, J. S. Zhang, J. S. Zhang, Y. Wang, C. Y. Cao, and Y. Cui, “Infrared-to-ultraviolet up-conversion luminescence of YF3:Yb3+, Tm3+ microsheets,” J. Lumin. 122–123, 128–130 (2007).
[Crossref]

M. Quintanilla, E. Cantelar, F. Cussó, M. Villegas, and A. C. Caballero, “Temperature Sensing with Up-Converting Submicron-Sized LiNbO3:Er3+/Yb3+ Particles,” Appl. Phys. Express 4(2), 022601 (2011).
[Crossref]

G. De, W. P. Qin, J. S. Zhang, J. S. Zhang, Y. Wang, C. Y. Cao, and Y. Cui, “Infrared-to-ultraviolet up-conversion luminescence of YF3:Yb3+, Tm3+ microsheets,” J. Lumin. 122–123, 128–130 (2007).
[Crossref]

P. V. dos Santos, M. T. de Araujo, A. S. Gouveia-Neto, J. A. Medeiros Neto, and A. S. B. Sombra, “Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped chalcogenide glass,” Appl. Phys. Lett. 73(5), 578–580 (1998).
[Crossref]

F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
[Crossref] [PubMed]

P. V. dos Santos, M. T. de Araujo, A. S. Gouveia-Neto, J. A. Medeiros Neto, and A. S. B. Sombra, “Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped chalcogenide glass,” Appl. Phys. Lett. 73(5), 578–580 (1998).
[Crossref]

C. W. Hoyt, M. Sheik-Bahae, R. I. Epstein, B. C. Edwards, and J. E. Anderson, “Observation of Anti-Stokes Fluorescence Cooling in Thulium-Doped Glass,” Phys. Rev. Lett. 85(17), 3600–3603 (2000).
[Crossref] [PubMed]

C. W. Hoyt, M. Sheik-Bahae, R. I. Epstein, B. C. Edwards, and J. E. Anderson, “Observation of Anti-Stokes Fluorescence Cooling in Thulium-Doped Glass,” Phys. Rev. Lett. 85(17), 3600–3603 (2000).
[Crossref] [PubMed]

J. Fernandez, A. J. Garcia-Adeva, and R. Balda, “Anti-Stokes Laser Cooling in Bulk Erbium-Doped Materials,” Phys. Rev. Lett. 97(3), 033001 (2006).
[Crossref] [PubMed]

Z. Boruc, M. Kaczkan, B. Fetlinski, S. Turczynski, and M. Malinowski, “Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing,” Opt. Lett. 37(24), 5214–5216 (2012).
[Crossref] [PubMed]

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

W. Xu, X. Y. Gao, L. J. Zheng, Z. G. Zhang, and W. W. Cao, “An optical temperature sensor based on the upconversion luminescence from Tm3+/Yb3+ codoped oxyfluoride glass ceramic,” Sens. Actuators B Chem. 173, 250–253 (2012).
[Crossref]

J. Fernandez, A. J. Garcia-Adeva, and R. Balda, “Anti-Stokes Laser Cooling in Bulk Erbium-Doped Materials,” Phys. Rev. Lett. 97(3), 033001 (2006).
[Crossref] [PubMed]

P. V. dos Santos, M. T. de Araujo, A. S. Gouveia-Neto, J. A. Medeiros Neto, and A. S. B. Sombra, “Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped chalcogenide glass,” Appl. Phys. Lett. 73(5), 578–580 (1998).
[Crossref]

J. F. Suyver, J. Grimm, M. K. Veen, D. Biner, K. W. Kramer, and H. U. Gudel, “Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+,” J. Lumin. 117(1), 1–12 (2006).
[Crossref]

J. F. Suyver, J. Grimm, M. K. Veen, D. Biner, K. W. Kramer, and H. U. Gudel, “Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+,” J. Lumin. 117(1), 1–12 (2006).
[Crossref]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
[Crossref] [PubMed]

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

F. Lahoz, C. P. Rodríguez, S. E. Hernández, I. R. Martín, V. Lavín, and U. R. R. Mendoza, “Upconversion mechanisms in rare-earth doped glasses to improve the efficiency of silicon solar cells,” Sol. Energy Mater. Sol. Cells 95(7), 1671–1677 (2011).
[Crossref]

C. W. Hoyt, M. Sheik-Bahae, R. I. Epstein, B. C. Edwards, and J. E. Anderson, “Observation of Anti-Stokes Fluorescence Cooling in Thulium-Doped Glass,” Phys. Rev. Lett. 85(17), 3600–3603 (2000).
[Crossref] [PubMed]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

H. S. Jang, K. Woo, and K. Lim, “Bright dual-mode green emission from selective set of dopant ions in β-Na(Y,Gd)F4: Yb,Er/β-NaGdF4:Ce,Tb core/shell nanocrystals,” Opt. Express 20(15), 17107–17118 (2012).
[Crossref]

D. Jaque and F. Vetrone, “Luminescence nanothermometry,” Nanoscale 4(15), 4301–4326 (2012).
[Crossref] [PubMed]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

D. T. Tu, L. Q. Liu, Q. Ju, Y. S. Liu, H. M. Zhu, R. F. Li, and X. Y. Chen, “Time-resolved FRET biosensor based on amine-functionalized lanthanide-doped NaYF4 nanocrystals,” Angew. Chem. Int. Ed. Engl. 50(28), 6306–6310 (2011).
[Crossref] [PubMed]

Z. Boruc, M. Kaczkan, B. Fetlinski, S. Turczynski, and M. Malinowski, “Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing,” Opt. Lett. 37(24), 5214–5216 (2012).
[Crossref] [PubMed]

G. F. Wang, W. P. Qin, L. L. Wang, G. D. Wei, P. F. Zhu, and R. Kim, “Intense ultraviolet upconversion luminescence from hexagonal NaYF4:Yb3+/Tm3+ microcrystals,” Opt. Express 16(16), 11907–11914 (2008).
[Crossref] [PubMed]

J. F. Suyver, J. Grimm, M. K. Veen, D. Biner, K. W. Kramer, and H. U. Gudel, “Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+,” J. Lumin. 117(1), 1–12 (2006).
[Crossref]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

F. Lahoz, C. P. Rodríguez, S. E. Hernández, I. R. Martín, V. Lavín, and U. R. R. Mendoza, “Upconversion mechanisms in rare-earth doped glasses to improve the efficiency of silicon solar cells,” Sol. Energy Mater. Sol. Cells 95(7), 1671–1677 (2011).
[Crossref]

S. F. León-Luis, U. R. Rodríguez-Mendoza, E. Lalla, and V. Lavín, “Temperature sensor based on the Er3+ green upconverted emission in a fluorotellurite glass,” Sens. Actuators B Chem. 158(1), 208–213 (2011).
[Crossref]

S. F. León-Luis, U. R. Rodríguez-Mendoza, E. Lalla, and V. Lavín, “Temperature sensor based on the Er3+ green upconverted emission in a fluorotellurite glass,” Sens. Actuators B Chem. 158(1), 208–213 (2011).
[Crossref]

F. Lahoz, C. P. Rodríguez, S. E. Hernández, I. R. Martín, V. Lavín, and U. R. R. Mendoza, “Upconversion mechanisms in rare-earth doped glasses to improve the efficiency of silicon solar cells,” Sol. Energy Mater. Sol. Cells 95(7), 1671–1677 (2011).
[Crossref]

S. F. León-Luis, U. R. Rodríguez-Mendoza, E. Lalla, and V. Lavín, “Temperature sensor based on the Er3+ green upconverted emission in a fluorotellurite glass,” Sens. Actuators B Chem. 158(1), 208–213 (2011).
[Crossref]

M. Wang, C. C. Mi, Y. X. Zhang, J. L. Liu, F. Li, C. B. Mao, and S. K. Xu, “NIR-Responsive Silica-Coated NaYbF4:Er/Tm/Ho Upconversion Fluorescent Nanoparticles with Tunable Emission Colors and Their Applications in Immunolabeling and Fluorescent Imaging of Cancer Cells,” J. Phys. Chem. C 113(44), 19021–19027 (2009).
[Crossref]

D. T. Tu, L. Q. Liu, Q. Ju, Y. S. Liu, H. M. Zhu, R. F. Li, and X. Y. Chen, “Time-resolved FRET biosensor based on amine-functionalized lanthanide-doped NaYF4 nanocrystals,” Angew. Chem. Int. Ed. Engl. 50(28), 6306–6310 (2011).
[Crossref] [PubMed]

Y. S. Liu, D. T. Tu, H. M. Zhu, R. F. Li, W. Q. Luo, and X. Y. Chen, “A strategy to achieve efficient dual-mode luminescence of Eu(3+) in lanthanides doped multifunctional NaGdF4 nanocrystals,” Adv. Mater. 22(30), 3266–3271 (2010).
[Crossref] [PubMed]

F. van De Rijke, H. Zijlmans, S. Li, T. Vail, A. K. Raap, R. S. Niedbala, and H. J. Tanke, “Up-converting phosphor reporters for nucleic acid microarrays,” Nat. Biotechnol. 19(3), 273–276 (2001).
[Crossref] [PubMed]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

H. S. Jang, K. Woo, and K. Lim, “Bright dual-mode green emission from selective set of dopant ions in β-Na(Y,Gd)F4: Yb,Er/β-NaGdF4:Ce,Tb core/shell nanocrystals,” Opt. Express 20(15), 17107–17118 (2012).
[Crossref]

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

M. Wang, C. C. Mi, Y. X. Zhang, J. L. Liu, F. Li, C. B. Mao, and S. K. Xu, “NIR-Responsive Silica-Coated NaYbF4:Er/Tm/Ho Upconversion Fluorescent Nanoparticles with Tunable Emission Colors and Their Applications in Immunolabeling and Fluorescent Imaging of Cancer Cells,” J. Phys. Chem. C 113(44), 19021–19027 (2009).
[Crossref]

D. T. Tu, L. Q. Liu, Q. Ju, Y. S. Liu, H. M. Zhu, R. F. Li, and X. Y. Chen, “Time-resolved FRET biosensor based on amine-functionalized lanthanide-doped NaYF4 nanocrystals,” Angew. Chem. Int. Ed. Engl. 50(28), 6306–6310 (2011).
[Crossref] [PubMed]

F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
[Crossref] [PubMed]

D. T. Tu, L. Q. Liu, Q. Ju, Y. S. Liu, H. M. Zhu, R. F. Li, and X. Y. Chen, “Time-resolved FRET biosensor based on amine-functionalized lanthanide-doped NaYF4 nanocrystals,” Angew. Chem. Int. Ed. Engl. 50(28), 6306–6310 (2011).
[Crossref] [PubMed]

Y. S. Liu, D. T. Tu, H. M. Zhu, R. F. Li, W. Q. Luo, and X. Y. Chen, “A strategy to achieve efficient dual-mode luminescence of Eu(3+) in lanthanides doped multifunctional NaGdF4 nanocrystals,” Adv. Mater. 22(30), 3266–3271 (2010).
[Crossref] [PubMed]

Y. S. Liu, D. T. Tu, H. M. Zhu, R. F. Li, W. Q. Luo, and X. Y. Chen, “A strategy to achieve efficient dual-mode luminescence of Eu(3+) in lanthanides doped multifunctional NaGdF4 nanocrystals,” Adv. Mater. 22(30), 3266–3271 (2010).
[Crossref] [PubMed]

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

N. Rakov and G. S. Maciel, “Three-photon upconversion and optical thermometry characterization of Er3+:Yb3+ co-doped yttrium silicate powders,” Sens. Actuators B Chem. 164(1), 96–100 (2012).
[Crossref]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

F. Vetrone, R. Naccache, V. Mahalingam, C. G. Morgan, and J. A. Capobianco, “The active-core/active-shell approach: a strategy to enhance the upconversion luminescence in lanthanide-doped nanoparticles,” Adv. Funct. Mater. 19(18), 2924–2929 (2009).

Z. Boruc, M. Kaczkan, B. Fetlinski, S. Turczynski, and M. Malinowski, “Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing,” Opt. Lett. 37(24), 5214–5216 (2012).
[Crossref] [PubMed]

M. Wang, C. C. Mi, Y. X. Zhang, J. L. Liu, F. Li, C. B. Mao, and S. K. Xu, “NIR-Responsive Silica-Coated NaYbF4:Er/Tm/Ho Upconversion Fluorescent Nanoparticles with Tunable Emission Colors and Their Applications in Immunolabeling and Fluorescent Imaging of Cancer Cells,” J. Phys. Chem. C 113(44), 19021–19027 (2009).
[Crossref]

F. Lahoz, C. P. Rodríguez, S. E. Hernández, I. R. Martín, V. Lavín, and U. R. R. Mendoza, “Upconversion mechanisms in rare-earth doped glasses to improve the efficiency of silicon solar cells,” Sol. Energy Mater. Sol. Cells 95(7), 1671–1677 (2011).
[Crossref]

P. V. dos Santos, M. T. de Araujo, A. S. Gouveia-Neto, J. A. Medeiros Neto, and A. S. B. Sombra, “Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped chalcogenide glass,” Appl. Phys. Lett. 73(5), 578–580 (1998).
[Crossref]

F. Lahoz, C. P. Rodríguez, S. E. Hernández, I. R. Martín, V. Lavín, and U. R. R. Mendoza, “Upconversion mechanisms in rare-earth doped glasses to improve the efficiency of silicon solar cells,” Sol. Energy Mater. Sol. Cells 95(7), 1671–1677 (2011).
[Crossref]

M. Wang, C. C. Mi, Y. X. Zhang, J. L. Liu, F. Li, C. B. Mao, and S. K. Xu, “NIR-Responsive Silica-Coated NaYbF4:Er/Tm/Ho Upconversion Fluorescent Nanoparticles with Tunable Emission Colors and Their Applications in Immunolabeling and Fluorescent Imaging of Cancer Cells,” J. Phys. Chem. C 113(44), 19021–19027 (2009).
[Crossref]

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

F. Vetrone, R. Naccache, V. Mahalingam, C. G. Morgan, and J. A. Capobianco, “The active-core/active-shell approach: a strategy to enhance the upconversion luminescence in lanthanide-doped nanoparticles,” Adv. Funct. Mater. 19(18), 2924–2929 (2009).

L. Aigouy, G. Tessier, M. Mortier, and B. Charlot, “Scanning thermal imaging of microelectronic circuits with a fluorescent nanoprobe,” Appl. Phys. Lett. 87(18), 184105 (2005).
[Crossref]

F. Zhang, G.B. Braun, A. Pallaoro, Y.C. Zhang, Y.G. Shi, D.X. Cui, M. Moskovits, D.Y. Zhao, and G.D. Stucky, “Mesoporous multifunctional upconversion luminescent and magnetic “nanorattle” materials for targeted chemotherapy,” Nano Lett. 12(1), 61–67 (2012).

F. Vetrone, R. Naccache, V. Mahalingam, C. G. Morgan, and J. A. Capobianco, “The active-core/active-shell approach: a strategy to enhance the upconversion luminescence in lanthanide-doped nanoparticles,” Adv. Funct. Mater. 19(18), 2924–2929 (2009).

F. van De Rijke, H. Zijlmans, S. Li, T. Vail, A. K. Raap, R. S. Niedbala, and H. J. Tanke, “Up-converting phosphor reporters for nucleic acid microarrays,” Nat. Biotechnol. 19(3), 273–276 (2001).
[Crossref] [PubMed]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

F. Zhang, G.B. Braun, A. Pallaoro, Y.C. Zhang, Y.G. Shi, D.X. Cui, M. Moskovits, D.Y. Zhao, and G.D. Stucky, “Mesoporous multifunctional upconversion luminescent and magnetic “nanorattle” materials for targeted chemotherapy,” Nano Lett. 12(1), 61–67 (2012).

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

G. F. Wang, W. P. Qin, L. L. Wang, G. D. Wei, P. F. Zhu, and R. Kim, “Intense ultraviolet upconversion luminescence from hexagonal NaYF4:Yb3+/Tm3+ microcrystals,” Opt. Express 16(16), 11907–11914 (2008).
[Crossref] [PubMed]

G. De, W. P. Qin, J. S. Zhang, J. S. Zhang, Y. Wang, C. Y. Cao, and Y. Cui, “Infrared-to-ultraviolet up-conversion luminescence of YF3:Yb3+, Tm3+ microsheets,” J. Lumin. 122–123, 128–130 (2007).
[Crossref]

M. Quintanilla, E. Cantelar, F. Cussó, M. Villegas, and A. C. Caballero, “Temperature Sensing with Up-Converting Submicron-Sized LiNbO3:Er3+/Yb3+ Particles,” Appl. Phys. Express 4(2), 022601 (2011).
[Crossref]

F. van De Rijke, H. Zijlmans, S. Li, T. Vail, A. K. Raap, R. S. Niedbala, and H. J. Tanke, “Up-converting phosphor reporters for nucleic acid microarrays,” Nat. Biotechnol. 19(3), 273–276 (2001).
[Crossref] [PubMed]

N. Rakov and G. S. Maciel, “Three-photon upconversion and optical thermometry characterization of Er3+:Yb3+ co-doped yttrium silicate powders,” Sens. Actuators B Chem. 164(1), 96–100 (2012).
[Crossref]

F. Lahoz, C. P. Rodríguez, S. E. Hernández, I. R. Martín, V. Lavín, and U. R. R. Mendoza, “Upconversion mechanisms in rare-earth doped glasses to improve the efficiency of silicon solar cells,” Sol. Energy Mater. Sol. Cells 95(7), 1671–1677 (2011).
[Crossref]

S. F. León-Luis, U. R. Rodríguez-Mendoza, E. Lalla, and V. Lavín, “Temperature sensor based on the Er3+ green upconverted emission in a fluorotellurite glass,” Sens. Actuators B Chem. 158(1), 208–213 (2011).
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[Crossref] [PubMed]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

F. Zhang, G.B. Braun, A. Pallaoro, Y.C. Zhang, Y.G. Shi, D.X. Cui, M. Moskovits, D.Y. Zhao, and G.D. Stucky, “Mesoporous multifunctional upconversion luminescent and magnetic “nanorattle” materials for targeted chemotherapy,” Nano Lett. 12(1), 61–67 (2012).

C. D. S. Brites, P. P. Lima, N. J. O. Silva, A. Millán, V. S. Amaral, F. Palacio, and L. D. Carlos, “Thermometry at the nanoscale,” Nanoscale 4(16), 4799–4829 (2012).
[Crossref] [PubMed]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

P. V. dos Santos, M. T. de Araujo, A. S. Gouveia-Neto, J. A. Medeiros Neto, and A. S. B. Sombra, “Optical temperature sensing using upconversion fluorescence emission in Er3+/Yb3+-codoped chalcogenide glass,” Appl. Phys. Lett. 73(5), 578–580 (1998).
[Crossref]

G. Y. Chen, J. Shen, T. Y. Ohulchanskyy, N. J. Patel, A. Kutikov, Z. Li, J. Song, R. K. Pandey, H. Agren, P. N. Prasad, and G. Han, “(α-NaYbF4:Tm3+)/CaF2 core/shell nanoparticles with efficient near-infrared to near-infrared upconversion for high-contrast deep tissue bioimaging,” ACS Nano 6(9), 8280–8287 (2012).
[Crossref] [PubMed]

F. Zhang, G.B. Braun, A. Pallaoro, Y.C. Zhang, Y.G. Shi, D.X. Cui, M. Moskovits, D.Y. Zhao, and G.D. Stucky, “Mesoporous multifunctional upconversion luminescent and magnetic “nanorattle” materials for targeted chemotherapy,” Nano Lett. 12(1), 61–67 (2012).

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

J. F. Suyver, J. Grimm, M. K. Veen, D. Biner, K. W. Kramer, and H. U. Gudel, “Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+,” J. Lumin. 117(1), 1–12 (2006).
[Crossref]

L. Y. Pan, M. He, J. B. Ma, W. Tang, G. Gao, R. He, H. C. Su, and D. X. Cui, “Phase and Size Controllable Synthesis of NaYbF4 Nanocrystals in Oleic Acid/Ionic Liquid Two-Phase System for Targeted Fluorescent Imaging of Gastric Cancer,” Theranostics 3(3), 210–222 (2013).
[Crossref] [PubMed]

F. van De Rijke, H. Zijlmans, S. Li, T. Vail, A. K. Raap, R. S. Niedbala, and H. J. Tanke, “Up-converting phosphor reporters for nucleic acid microarrays,” Nat. Biotechnol. 19(3), 273–276 (2001).
[Crossref] [PubMed]

L. Aigouy, G. Tessier, M. Mortier, and B. Charlot, “Scanning thermal imaging of microelectronic circuits with a fluorescent nanoprobe,” Appl. Phys. Lett. 87(18), 184105 (2005).
[Crossref]

D. T. Tu, L. Q. Liu, Q. Ju, Y. S. Liu, H. M. Zhu, R. F. Li, and X. Y. Chen, “Time-resolved FRET biosensor based on amine-functionalized lanthanide-doped NaYF4 nanocrystals,” Angew. Chem. Int. Ed. Engl. 50(28), 6306–6310 (2011).
[Crossref] [PubMed]

Y. S. Liu, D. T. Tu, H. M. Zhu, R. F. Li, W. Q. Luo, and X. Y. Chen, “A strategy to achieve efficient dual-mode luminescence of Eu(3+) in lanthanides doped multifunctional NaGdF4 nanocrystals,” Adv. Mater. 22(30), 3266–3271 (2010).
[Crossref] [PubMed]

Z. Boruc, M. Kaczkan, B. Fetlinski, S. Turczynski, and M. Malinowski, “Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing,” Opt. Lett. 37(24), 5214–5216 (2012).
[Crossref] [PubMed]

F. van De Rijke, H. Zijlmans, S. Li, T. Vail, A. K. Raap, R. S. Niedbala, and H. J. Tanke, “Up-converting phosphor reporters for nucleic acid microarrays,” Nat. Biotechnol. 19(3), 273–276 (2001).
[Crossref] [PubMed]

F. van De Rijke, H. Zijlmans, S. Li, T. Vail, A. K. Raap, R. S. Niedbala, and H. J. Tanke, “Up-converting phosphor reporters for nucleic acid microarrays,” Nat. Biotechnol. 19(3), 273–276 (2001).
[Crossref] [PubMed]

J. F. Suyver, J. Grimm, M. K. Veen, D. Biner, K. W. Kramer, and H. U. Gudel, “Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+,” J. Lumin. 117(1), 1–12 (2006).
[Crossref]

D. Jaque and F. Vetrone, “Luminescence nanothermometry,” Nanoscale 4(15), 4301–4326 (2012).
[Crossref] [PubMed]

L. M. Maestro, C. Jacinto, U. R. Silva, F. Vetrone, J. A. Capobianco, D. Jaque, and J. G. Solé, “CdTe Quantum Dots as Nanothermometers: Towards Highly Sensitive Thermal Imaging,” Small 7(13), 1774–1778 (2011).
[Crossref] [PubMed]

F. Vetrone, R. Naccache, V. Mahalingam, C. G. Morgan, and J. A. Capobianco, “The active-core/active-shell approach: a strategy to enhance the upconversion luminescence in lanthanide-doped nanoparticles,” Adv. Funct. Mater. 19(18), 2924–2929 (2009).

M. Quintanilla, E. Cantelar, F. Cussó, M. Villegas, and A. C. Caballero, “Temperature Sensing with Up-Converting Submicron-Sized LiNbO3:Er3+/Yb3+ Particles,” Appl. Phys. Express 4(2), 022601 (2011).
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F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
[Crossref] [PubMed]

G. F. Wang, W. P. Qin, L. L. Wang, G. D. Wei, P. F. Zhu, and R. Kim, “Intense ultraviolet upconversion luminescence from hexagonal NaYF4:Yb3+/Tm3+ microcrystals,” Opt. Express 16(16), 11907–11914 (2008).
[Crossref] [PubMed]

F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
[Crossref] [PubMed]

G. F. Wang, W. P. Qin, L. L. Wang, G. D. Wei, P. F. Zhu, and R. Kim, “Intense ultraviolet upconversion luminescence from hexagonal NaYF4:Yb3+/Tm3+ microcrystals,” Opt. Express 16(16), 11907–11914 (2008).
[Crossref] [PubMed]

M. Wang, C. C. Mi, Y. X. Zhang, J. L. Liu, F. Li, C. B. Mao, and S. K. Xu, “NIR-Responsive Silica-Coated NaYbF4:Er/Tm/Ho Upconversion Fluorescent Nanoparticles with Tunable Emission Colors and Their Applications in Immunolabeling and Fluorescent Imaging of Cancer Cells,” J. Phys. Chem. C 113(44), 19021–19027 (2009).
[Crossref]

F. Wang, R. R. Deng, J. Wang, Q. X. Wang, Y. Han, H. M. Zhu, X. Y. Chen, and X. G. Liu, “Tuning upconversion through energy migration in core-shell nanoparticles,” Nat. Mater. 10(12), 968–973 (2011).
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