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+.

A green synthetic route to the highly efficient K2SiF6:Mn4+narrow-band red phosphor for warm white light-emitting diodes

2018 ◽  
Vol 6 (11) ◽  
pp. 2741-2746 ◽  
Author(s):  
Ziyang Hou ◽  
Xueyuan Tang ◽  
Xuefang Luo ◽  
Tianliang Zhou ◽  
Lin Zhang ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Narrow Band ◽  
Synthetic Route ◽  
Red Phosphor ◽  
Light Emitting ◽  
Highly Efficient ◽  
Warm White Light ◽  
White Light Emitting Diodes

A green synthetic route to the highly efficient K2SiF6:Mn4+narrow-band red phosphor for warm white light-emitting diodes.

Highly efficient red phosphor Cs2GeF6:Mn4+for warm white light-emitting diodes

RSC Advances ◽  
2015 ◽  
Vol 5 (100) ◽  
pp. 82409-82414 ◽  
Author(s):  
Zhengliang Wang ◽  
Yayun Zhou ◽  
Yong Liu ◽  
Qiang Zhou ◽  
Lijun Luo ◽  
...  
Keyword(s):  
Cation Exchange ◽  
White Light ◽  
Light Emitting Diodes ◽  
Exchange Method ◽  
Red Phosphor ◽  
Red Emission ◽  
Light Emitting ◽  
Highly Efficient ◽  
Warm White Light ◽  
White Light Emitting Diodes

Red phosphor Cs2GeF6:Mn4+synthesized by the cation exchange method exhibits an intense red emission with a high colour-purity. The warm WLED fabricated with this phosphor emits an intense white light under 20 mA current excitation.

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.

A novel near-ultraviolet-light excitable Eu3+-doped Sr2LaTaO6 red phosphor for white-light-emitting diodes

Optik ◽  
2021 ◽  
Vol 240 ◽  
pp. 166908
Author(s):  
Qifeng Tang ◽  
Tao Yang ◽  
Haifeng Huang ◽  
Jinqing Ao ◽  
Biyou Peng ◽  
...  
Keyword(s):  
Ultraviolet Light ◽  
White Light ◽  
Light Emitting Diodes ◽  
Red Phosphor ◽  
Light Emitting ◽  
Near Ultraviolet ◽  
White Light Emitting Diodes

(K0.5Na0.5)NbO3:Eu3+/Bi3+: a novel, highly efficient, red light-emitting material with superior water resistance behavior

RSC Advances ◽  
2015 ◽  
Vol 5 (6) ◽  
pp. 4707-4715 ◽  
Author(s):  
Qiwei Zhang ◽  
Haiqin Sun ◽  
Tao Kuang ◽  
Ruiguang Xing ◽  
Xihong Hao
Keyword(s):  
Blue Light ◽  
White Light ◽  
High Performance ◽  
Water Resistance ◽  
Light Emitting Diodes ◽  
Red Light ◽  
Light Emitting ◽  
Highly Efficient ◽  
White Light Emitting Diodes

Materials emitting red light (∼611 nm) under excitation with blue light (440–470 nm) are highly desired for fabricating high-performance white light-emitting diodes (LEDs).

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