References(46)
[1]
F Auzel. Upconversion and anti-stokes processes with f and d ions in solids. Chem Rev 2004, 104: 139-174.
[2]
B Zhou, BY Shi, DY Jin, et al. Controlling upconversion nanocrystals for emerging applications. Nat Nanotech 2015, 10: 924-936.
[3]
A Patra, CS Friend, R Kapoor, et al. Fluorescence upconversion properties of Er3+-doped TiO2 and BaTiO3 nanocrystallites. Chem Mater 2003, 15: 3650-3655.
[4]
DD Li, QY Shao, Y Dong, et al. Thermal sensitivity and stability of NaYF4:Yb3+,Er3+ upconversion nanowires, nanorods and nanoplates. Mater Lett 2013, 110: 233-236.
[5]
Y Kawamoto, R Kanno, J Qiu. Upconversion luminescence of Er3+ in transparent SiO2-PbF2-ErF3 glass ceramics. J Mater Sci 1998, 33: 63-67.
[6]
SS Zhou, KM Deng, XT Wei, et al. Upconversion luminescence of NaYF4:Yb3+,Er3+ for temperature sensing. Opt Commun 2013, 291: 138-142.
[7]
R Scheps. Upconversion in Er3+:YAlO3 produced by metastable state absorption. Opt Mater 1997, 7: 75-88.
[8]
X Wang, GY Shan, KF Chao, et al. Effects of Er3+ concentration on UV/blue upconverted luminescence and a three-photon process in the cubic nanocrystalline Y2O3:Er3+. Mater Chem Phys 2006, 99: 370-374.
[9]
JK Li, JG Li, J Li, et al. Photoluminescent properties of new up-conversion phosphors of Yb/Tm co-doped (Gd1-xLux)3Al5O12 (x = 0.1-0.5) garnet solid solutions. J Alloys Compd 2014, 582: 623-627.
[10]
F Elan, EL Falcão-Filho, ME Camilo, et al. Upconversion photoluminescence in GeO2-PbO glass codoped with Nd3+ and Yb3+. Opt Mater 2016, 60: 313-317.
[11]
HW Song, BJ Sun, T Wang, et al. Three-photon upconversion luminescence phenomenon for the green levels in Er3+/Yb3+ codoped cubic nanocrystalline yttria. Solid State Commun 2004, 132: 409-413.
[12]
N Rakov, GS MacIel. Three-photon upconversion and optical thermometry characterization of Er3+:Yb3+ co- doped yttrium silicate powders. Sensor Actuat B: Chem 2012, 164: 96-100.
[13]
JC Boyer, FCJM van Veggel. Absolute quantum yield measurements of colloidal NaYF4:Er3+,Yb3+ upconverting nanoparticles. Nanoscale 2010, 2: 1417-1419.
[14]
XY Lia, JY Li, JQ Li, et al. Upconversion 32Nb2O5- 10La2O3-16ZrO2 glass activated with Er3+/Yb3+ and dye sensitized solar cell application. J Adv Ceram 2017, 6: 312-319.
[15]
V Singh, VK Rai, K Al-Shamery, et al. NIR to visible frequency upconversion in Er3+ and Yb3+ co-doped BaZrO3 phosphor. Spectrochimica Acta Part A: Mol Biomol Spectrosc 2013, 108: 141-145.
[16]
S Tripathi, R Tiwari, AK Shrivastava, et al. A review reports on rare earth activated AZrO3 (A = Ba, Ca, Sr) phosphors for display and sensing applications. Optik 2018, 157: 365-381.
[17]
T Yajima, H Suzuki, T Yogo, et al. Protonic conduction in SrZrO3-based oxides. Solid State Ionics 1992, 51: 101-107.
[18]
C Nivot, C Legros, B Lesage, et al. Oxygen diffusion in SrZrO3. Solid State Ionics 2009, 180: 1040-1044.
[19]
N Hakmeh, C Chlique, O Merdrignac-Conanec, et al. Combustion synthesis and up-conversion luminescence of La2O2S:Er3+,Yb3+ nanophosphors. J Solid State Chem 2015, 226: 255-261.
[20]
SK Gupta, PS Ghosh, AK Yadav, et al. Luminescence properties of SrZrO3/Tb3+ perovskite: Host-dopant energy- transfer dynamics and local structure of Tb3+. Inorg Chem 2016, 55: 1728-1740.
[21]
JL Huang, LY Zhou, ZL Wang, et al. Photoluminescence properties of SrZrO3:Eu3+ and BaZrO3:Eu3+ phosphors with perovskite structure. J Alloys Compd 2009, 487: L5-L7.
[22]
VM Longo, LS Cavalcante, R Erlo, et al. Strong violet- blue light photoluminescence emission at room temperature in SrZrO3: Joint experimental and theoretical study. Acta Mater 2008, 56: 2191-2202.
[23]
YD Wang, ZW Yang, YJ Ma, et al. Upconversion emission enhancement mechanisms of Nd3+-sensitized NaYF4:Yb3+, Er3+ nanoparticles using tunable plasmonic Au films: Plasmonic-induced excitation, radiative decay rate and energy-transfer enhancement. J Mater Chem C 2017, 5: 8535-8544.
[24]
JF Ruan, ZW Yang, YG Wen, et al. Laser induced thermochromism and reversible upconversion emission modulation of a novel WO3:Yb3+,Er3+ ceramic: Dual-modal fingerprint acquisition application. Chem Eng J 2020, 383: 123180.
[25]
J Dwivedi, P Kumar, A Kumar, et al. A commercial approach for the fabrication of bulk and nano phosphors converted into highly efficient white LEDs. RSC Adv 2014, 4: 54936-54947.
[26]
G Glaspell, J Anderson, JR Wilkins, et al. Vapor phase synthesis of upconverting Y2O3 nanocrystals doped with Yb3+, Er3+, Ho3+, and Tm3+ to generate red, green, blue, and white light. J Phys Chem C 2008, 112: 11527-11531.
[27]
RS Yadav, AC Pandey. Enhanced efficiency in quantum confined YBO3:Tb3+ nanophosphor. J Alloys Compd 2010, 494: L15-L19.
[28]
AN Mallika, AR Reddy, KV Reddy. Annealing effects on the structural and optical properties of ZnO nanoparticles with PVA and CA as chelating agents. J Adv Ceram 2015, 4: 123-129.
[29]
DH Kim, DJ Lee, JW Park, et al. Synthesis and optical characterization of SrHfO3 nano-crystals synthesized by using the combustion method. J Nanosci Nanotechnol 2013, 13: 1845-1847.
[30]
WQ Luo, JS Liao, RF Li, et al. Determination of Judd- Ofelt intensity parameters from the excitation spectra for rare-earth doped luminescent materials. Phys Chem Chem Phys 2010, 12: 3276-3282.
[31]
X Li, X Wang, H Zhong, et al. Effects of Er3+ concentration on down-/up-conversion luminescence and temperature sensing properties in NaGdTiO4:Er3+/Yb3+ phosphors. Ceram Int 2016, 42: 14710-14715.
[32]
RK Tamrakar, DP Bisen, N Bramhe. Influence of Er3+ concentration on the photoluminescence characteristics and excitation mechanism of Gd2O3:Er3+ phosphor synthesized via a solid-state reaction method. Luminescence 2015, 30: 668-676.
[33]
ZS Chen, WP Gong, TF Chen, et al. Preparation and upconversion luminescence of Er3+/Yb3+ codoped Y2Ti2O7 nanocrystals. Mater Lett 2012, 68: 137-139.
[34]
J Qiu, M Shojiya, Y Kawamoto. Sensitized Ho3+ up- conversion luminescence in Nd3+-Yb3+-Ho3+ co-doped ZrF4-based glass. J Appl Phys 1999, 86: 909-913.
[35]
F Vetrone, JC Boyer, JA Capobianco, et al. Significance of Yb3+ concentration on the upconversion mechanisms in codoped Y2O3:Er3+,Yb3+ nanocrystals. J Appl Phys 2004, 96: 661-667.
[36]
XF Song, RL Fu, S Agathopoulos, et al. Photoluminescence properties of Eu2+-activated CaSi2O2N2: Redshift and concentration quenching. J Appl Phys 2009, 106: 033103.
[37]
H Guo, YM Qiao, JF Zheng, et al. Upconversion luminescence of SrTiO3:Er3+ ultrafine powders produced by 785 nm laser. Chin J Chem Phys 2008, 21: 233-238.
[38]
LG Wang, YF Li, Z Wang, et al. Resonant energy transfer and near-infrared emission enhanced by tri-doped Sr2SiO4:Ce3+,Tb3+,Yb3+ phosphors for silicon solar cells. J Lumin 2018, 203: 121-126.
[39]
XG Zhang, XH Fu, JH Song, et al. Luminescent properties and energy transfer studies of color-tunable LuBO3:Ce3+/ Tb3+/Eu3+ phosphors. Mater Res Bull 2016, 80: 177-185.
[40]
M Upasani. Synthesis of Y3Al5O12:Eu and Y3Al5O12:Eu,Si phosphors by combustion method: Comparative investigations on the structural and spectral properties. J Adv Ceram 2016, 5: 344-355.
[41]
DH Kim, JH Kim, JS Chung, et al. Control of the visible emission in the SrZrO3 nano-crystals with the rare earth ion doping. J Nanosci Nanotech 2013, 13: 7572-7576.
[42]
XW Zhang, T Lin, J Xu, et al. The luminescence enhancement of Eu3+ ion and SnO2 nanocrystal co-doped sol-gel SiO2 films. Chinese Phys B 2012, 21: 018101.
[43]
J Chen, JX Zhao. Upconversion nanomaterials: Synthesis, mechanism, and applications in sensing. Sensors 2012, 12: 2414-2435.
[44]
ZG Yi, BY Wen, C Qian, et al. Intense red upconversion emission and shape controlled synthesis of Gd2O3:Yb/Er nanocrystals. Adv Condens Matter Phys 2013, 2013: 1-5.
[45]
H Li, YD Zhang, L Shao, et al. Influence of pump power and doping concentration for optical temperature sensing based on BaZrO3:Yb3+/Ho3+ ceramics. J Lumin 2017, 192: 999-1003.
[46]
EH Song, S Ding, M Wu, et al. Tunable white upconversion luminescence from Yb3+-Tm3+-Mn2+ tri-doped perovskite nanocrystals. Opt Mater Express 2014, 4: 1186-1196.