Efficient and ultra-thermally stable Eu3+ and Sm3+ activated narrow band red/deep red emitting phosphors and their versatile applications

2021 ◽  
Author(s):  
Priyadarshini Pradhan ◽  
Savita Priya ◽  
R. Marikumar ◽  
Kasturi Singh ◽  
Sivakumar Vaidyanathan
Keyword(s):  
Optical Properties ◽  
Plant Growth ◽  
Narrow Band ◽  
White Led ◽  
Thermally Stable ◽  
Latent Fingerprint ◽  
Red Phosphors

A succession of Eu3+ activated Na2Y4(WO4)7 (NYW) red phosphors were synthesised and studied their optical properties in details for white LED, latent fingerprint and plant growth applications. The phosphors crystallised...

Novel Mn4+ doped red phosphors composed of MgAl2O4 and CaAl12O19 phases for light-emitting diodes

2020 ◽  
Vol 49 (11) ◽  
pp. 3606-3614 ◽  
Author(s):  
Yibing Wu ◽  
Yixi Zhuang ◽  
Rong-Jun Xie ◽  
Kaibin Ruan ◽  
Xinhua Ouyang
Keyword(s):  
Plant Growth ◽  
Light Emitting Diodes ◽  
White Led ◽  
Light Emitting ◽  
Red Phosphors

The EL spectra and photographs of the as-obtained plant growth LED and white LED by using CMA:Mn4+ red phosphors.

Evaluation of new color metrics: guidelines for developing narrow-band red phosphors for WLEDs

2016 ◽  
Vol 4 (36) ◽  
pp. 8326-8348 ◽  
Author(s):  
Ji Hye Oh ◽  
Yun Jae Eo ◽  
Hee Chang Yoon ◽  
Young-Duk Huh ◽  
Young Rag Do
Keyword(s):  
Optical Properties ◽  
Narrow Band ◽  
Red Phosphors

In this review, we summarize the recent findings on novel narrow-band red phosphors, the improved color and visual energy properties of these phosphors, and their ability to improve the optical properties of corresponding warm white pc-WLED lightings.

Narrow band red emitting phosphor with negligible concentration quenching for hybrid white LEDs and plant growth applications

2021 ◽  
Author(s):  
Kasturi Singh ◽  
R. Marikumar ◽  
Rachna Devi ◽  
Sivakumar Vaidyanathan
Keyword(s):  
Plant Growth ◽  
Narrow Band ◽  
Concentration Quenching ◽  
White Led ◽  
White Leds ◽  
Red Emitting Phosphor

¬Narrow band red emitters is the key to solve the problem encountered by the current white LED technology. In this context, a series of new red emitting Li3BaSrLa3¬(MoO4)8:Eu3+ phosphors were...

Systematic investigation of Eu3+ activated Na2Ln4(MoO4)7 [Ln = La, Gd and Y] narrow band red emitting phosphors for hybrid white LEDs and plant growth

2020 ◽  
Vol 44 (35) ◽  
pp. 14823-14836 ◽  
Author(s):  
Marikumar Rajendran ◽  
Sivakumar Vaidyanathan
Keyword(s):  
Solid State ◽  
Plant Growth ◽  
Narrow Band ◽  
Systematic Investigation ◽  
Solid State Method ◽  
White Leds ◽  
Red Phosphors ◽  
Conventional Solid State Method ◽  
State Method

A sequence of Eu3+ activated Na2Ln4(MoO4)7 [Ln = La, Gd and Y] red phosphors has been synthesized using a conventional solid-state method.

scholarly journals Improving Optical Properties of White LED Fabricated by a Blue LED Chip with Yellow/Red Phosphors

2010 ◽  
Vol 157 (9) ◽  
pp. H900 ◽  
Author(s):  
C. C. Lin ◽  
Y. S. Zheng ◽  
H. Y. Chen ◽  
C. H. Ruan ◽  
G. W. Xiao ◽  
...  
Keyword(s):  
Optical Properties ◽  
White Led ◽  
Blue Led ◽  
Red Phosphors

Zero-concentration quenching: a novel Eu3+ based red phosphor with non-layered crystal structure for white LEDs and NaSrY(MoO4)3:Sm3+ based deep-red LEDs for plant growth

2020 ◽  
Vol 49 (27) ◽  
pp. 9239-9253 ◽  
Author(s):  
Marikumar Rajendran ◽  
Sivakumar Vaidyanathan
Keyword(s):  
Crystal Structure ◽  
Plant Growth ◽  
Narrow Band ◽  
Concentration Quenching ◽  
Layered Crystal ◽  
White Led ◽  
Red Phosphor ◽  
White Leds ◽  
Layered Crystal Structure ◽  
Red Leds

Oxide based highly efficient narrow band red emitting phosphors are still a bottleneck in white LED applications.

A Study of Optical Properties of a Glass Composition of a ZnO-Bi2O3-P2O5 Glass/Phosphor Composite for a White LED

2015 ◽  
Vol 48 (6) ◽  
pp. 145-150
Author(s):  
Bong-Ki Ryu ◽  
Il-Gu Kim ◽  
Young-Seok Kim ◽  
Jong-Hwan Kim ◽  
Jae-Yeop Jung ◽  
...  
Keyword(s):  
Optical Properties ◽  
Glass Composition ◽  
White Led ◽  
Glass Phosphor

Bismuth Activated Narrow‐Band Cyan Garnet Phosphor Ca 3 Y 2 Ge 3 O 12 :Bi 3+ for NUV‐Pumped White LED Application

2021 ◽  
Author(s):  
Yongwang Li ◽  
Yanqun Shao ◽  
Weibin Zhang ◽  
ShanShan Ye ◽  
Jiangcong Zhou ◽  
...  
Keyword(s):  
Narrow Band ◽  
White Led

scholarly journals Enhanced luminescence properties of Ca1+xSr2−xAl2O6:Eu3+ (0 ≤ x ≤ 1) red phosphors based on composition modulation

RSC Advances ◽  
2021 ◽  
Vol 11 (21) ◽  
pp. 12981-12989
Author(s):  
Biao Shen ◽  
Jianghang Xu ◽  
Qinan Mao ◽  
Jiasong Zhong
Keyword(s):  
Optical Properties ◽  
Quantum Efficiency ◽  
Luminescence Properties ◽  
Composition Modulation ◽  
Red Phosphors ◽  
Potential Applications ◽  
Enhanced Luminescence

A series of Ca1+xSr2−xAl2O6:Eu3+ (0 ≤ x ≤ 1) red-emitting phosphors with adjustable optical properties and excellent quantum efficiency was developed for potential applications in warm WLEDs.

scholarly journals Synthesis and optical properties of red/blue-emitting Sr2MgSi2O7:Eu3+/Eu2+ phosphors for white LED

2016 ◽  
Vol 1 (2) ◽  
pp. 204-208 ◽  
Author(s):  
Tong Thi Hao Tam ◽  
Nguyen Duy Hung ◽  
Nguyen Thi Kim Lien ◽  
Nguyen Duc Trung Kien ◽  
Pham Thanh Huy
Keyword(s):  
Optical Properties ◽  
White Led
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