Blue-light-excited narrowing red photoluminescence in lead-free double perovskite Cs2−xKxAg0.6Na0.4In0.8Bi0.2Cl6−xBrx with cryogenic effects

2021 ◽  
Author(s):  
Xiao-Kai Gong ◽  
Xiao-Song Zhang ◽  
Lan Li ◽  
Jian-Ping Xu ◽  
Ru-Kun Ding ◽  
...  
Keyword(s):  
Blue Light ◽  
Low Temperatures ◽  
Double Perovskite ◽  
Lead Free ◽  
Red Emission ◽  
Transition Mode ◽  
Light Excitation

The addition of KBr changed the original transition mode of the material and realized the blue-light excitation and narrow red emission of Cs2AgInCl6 at low temperatures.

A highly-efficient blue-light excitable red phosphor: intramolecular π-stacking interactions in one dinuclear europium(iii) complex

2016 ◽  
Vol 45 (7) ◽  
pp. 2839-2844 ◽  
Author(s):  
Zhengliang Wang ◽  
Hui Yang ◽  
Pei He ◽  
Yonghui He ◽  
Jishou Zhao ◽  
...  
Keyword(s):  
Blue Light ◽  
Stacking Interactions ◽  
Red Phosphor ◽  
Red Emission ◽  
Highly Efficient ◽  
Π Stacking ◽  
Light Excitation

The europium(iii) complex [Eu2(2,7-BTFDBC)(DBM)4(Phen)2] with multiple T-shaped and parallel-displaced π-stacking interactions exhibits intense red emission under blue light excitation with high colour purity.

Crystal structure, photoluminescence and afterglow properties of red-emitting phosphors Ca4Nb2O9:Pr3+ for AC-LEDs

2021 ◽  
Vol 45 (1) ◽  
pp. 66-75 ◽  
Author(s):  
Pengfei Zhang ◽  
Na Li ◽  
Zhiting Wei ◽  
Ziqi Wang ◽  
Mengwei Gou ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Blue Light ◽  
Red Emission ◽  
Light Excitation ◽  
Time Gap

A novel Ca4Nb2O9:Pr3+ short-afterglow phosphor exhibits efficient red emission under blue light excitation, which can be used to compensate the time gap of AC-LEDs.

scholarly journals Manganese-Doped, Lead-Free Double Perovskite Nanocrystals for Bright Orange-Red Emission

2020 ◽  
Vol 6 (4) ◽  
pp. 566-572 ◽  
Author(s):  
Peigeng Han ◽  
Xue Zhang ◽  
Cheng Luo ◽  
Wei Zhou ◽  
Songqiu Yang ◽  
...  
Keyword(s):  
Double Perovskite ◽  
Lead Free ◽  
Red Emission ◽  
Perovskite Nanocrystals ◽  
Bright Orange

A new red phosphor BaGeF6:Mn4+: hydrothermal synthesis, photo-luminescence properties, and its application in warm white LED devices

2015 ◽  
Vol 3 (13) ◽  
pp. 3055-3059 ◽  
Author(s):  
Qiang Zhou ◽  
Yayun Zhou ◽  
Yong Liu ◽  
Lijun Luo ◽  
Zhengliang Wang ◽  
...  
Keyword(s):  
Hydrothermal Synthesis ◽  
Blue Light ◽  
Photo Luminescence ◽  
Luminescence Properties ◽  
White Led ◽  
Hydrothermal Route ◽  
Red Phosphor ◽  
Red Emission ◽  
Light Excitation

A new red phosphor BaGeF6:Mn4+prepared by a hydrothermal route shows intense red emission under blue light excitation, which may find application in warm white LED devices.

Novel red-emitting phosphors A2HfF6:Mn4+(A = Rb+, Cs+) for solid-state lighting

2017 ◽  
Vol 46 (29) ◽  
pp. 9451-9456 ◽  
Author(s):  
Zhaofeng Yang ◽  
Qianwen Wei ◽  
Meizhu Rong ◽  
Zhiyu Yang ◽  
Zhengliang Wang ◽  
...  
Keyword(s):  
Solid State ◽  
Blue Light ◽  
Potential Application ◽  
Solid State Lighting ◽  
Red Emission ◽  
Regular Octahedron ◽  
Light Excitation

New red-emitting phosphors A2HfF6(A = Rb+, Cs+) doped with Mn4+located at the center of a regular octahedron show intense red emission under blue light excitation and find potential application in LED chips.

Precursor engineering for high-quality Cs2AgBiBr6 films toward efficient lead-free double perovskite solar cells

2021 ◽  
Author(s):  
Ping Hou ◽  
Wenxiang Yang ◽  
Ning Wan ◽  
Zhi Fang ◽  
Jinju Zheng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Control Sample ◽  
Double Perovskite ◽  
Lead Free ◽  
High Quality ◽  
Precursor Engineering ◽  
First Time

We report a facile BiBr3(DMSO)2 adduct process to produce high-quality Cs2AgBiBr6 films with large grains for the first time, which leads to an enhancement of over 40% on the PCE of Cs2AgBiBr6-based solar cells compared to that of the control sample.

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