Cs 2 Zr 1− x Te x Cl 6 Perovskite Microcrystals with Ultrahigh Photoluminescence Quantum Efficiency of 79.46% for High Light Efficiency White Light Emitting Diodes

2021 ◽  
pp. 2100804
Author(s):  
Zhilin Li ◽  
Zhihui Rao ◽  
Qiaoqiao Li ◽  
Liujiang Zhou ◽  
Xiujian Zhao ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
White Light ◽  
Light Emitting Diodes ◽  
High Light ◽  
Light Emitting ◽  
White Light Emitting Diodes ◽  
Light Efficiency

Efficient and controllable photoluminescence in novel solid solution Ca1−xSrxHf4(PO4)6:Eu2+ phosphors with high thermal stability for white light emitting diodes

CrystEngComm ◽  
2018 ◽  
Vol 20 (31) ◽  
pp. 4383-4394 ◽  
Author(s):  
Shuangyu Xin ◽  
Miao Gao ◽  
Chuang Wang ◽  
Xuejiao Wang ◽  
Ge Zhu ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Solid Solution ◽  
Quantum Efficiency ◽  
White Light ◽  
Light Emitting Diodes ◽  
High Thermal Stability ◽  
Photoluminescence Properties ◽  
Light Emitting ◽  
White Light Emitting Diodes

The tunable photoluminescence properties of (Ca,Sr)Hf4(PO4)6:Eu2+ solid solution phosphors with high thermal stability and quantum efficiency were investigated.

K2Ln(PO4)(WO4):Tb3+,Eu3+ (Ln = Y, Gd and Lu) phosphors: highly efficient pure red and tuneable emission for white light-emitting diodes

2015 ◽  
Vol 3 (9) ◽  
pp. 2107-2114 ◽  
Author(s):  
Dawei Wen ◽  
Jiajun Feng ◽  
Junhao Li ◽  
Jianxin Shi ◽  
Mingmei Wu ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
White Light ◽  
Light Emitting Diodes ◽  
Internal Quantum Efficiency ◽  
Red Phosphor ◽  
Light Emitting ◽  
Highly Efficient ◽  
White Light Emitting Diodes

K2Tb0.5Eu0.5(PO4)(WO4) red phosphor with an internal quantum efficiency of 76.45% is produced. Furthermore, the luminescence colour can be tuned from green to red by adjusting the ratio of Tb3+ and Eu3+.

Successful fabrication of white light emitting diodes by using extremely high external quantum efficiency blue chips

2008 ◽  
Vol 205 (5) ◽  
pp. 1081-1085 ◽  
Author(s):  
Yukio Narukawa ◽  
Masahiko Sano ◽  
Takahiko Sakamoto ◽  
Takao Yamada ◽  
Takashi Mukai
Keyword(s):  
Quantum Efficiency ◽  
White Light ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
White Light Emitting Diodes

scholarly journals Mn4+-activated Li3Mg2SbO6 as an ultrabright fluoride-free red-emitting phosphor for warm white light-emitting diodes

RSC Advances ◽  
2019 ◽  
Vol 9 (6) ◽  
pp. 3429-3435 ◽  
Author(s):  
Shaoying Wang ◽  
Qi Sun ◽  
Balaji Devakumar ◽  
Jia Liang ◽  
Liangling Sun ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
White Light ◽  
Light Emitting Diodes ◽  
Internal Quantum Efficiency ◽  
Light Emitting ◽  
Warm White Light ◽  
White Light Emitting Diodes ◽  
Red Emitting Phosphor

Mn4+-activated Li3Mg2SbO6 red-emitting phosphor with internal quantum efficiency as high as 83% was developed for blue-pumped warm-white light-emitting diodes.

Eu2+-Doped NaBa4(AlB4O9)2X3 (X = Cl, Br) phosphors with intense two-center blue emission and high color purity for n-UV pumped white light-emitting diodes

2016 ◽  
Vol 4 (34) ◽  
pp. 7959-7965 ◽  
Author(s):  
Zhipeng Lian ◽  
Qingfeng Yan
Keyword(s):  
Quantum Efficiency ◽  
White Light ◽  
Light Emitting Diodes ◽  
Blue Emission ◽  
Color Purity ◽  
High Quantum Efficiency ◽  
Light Emitting ◽  
High Quantum ◽  
White Light Emitting Diodes ◽  
High Color Purity

Highly efficient blue-emitting NaBa4(AlB4O9)2X3 (X = Cl, Br):Eu2+ phosphors exhibit high quantum efficiency and better color purity than BAM:Eu2+.

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