Water-induced fluorescence enhancement of lead-free cesium bismuth halide quantum dots by 130% for stable white light-emitting devices

Nanoscale ◽  
2020 ◽  
Vol 12 (6) ◽  
pp. 3637-3645 ◽  
Author(s):  
Zhuang-Zhuang Ma ◽  
Zhi-Feng Shi ◽  
Lin-Tao Wang ◽  
Fei Zhang ◽  
Di Wu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
White Light ◽  
Fluorescence Enhancement ◽  
Lead Free ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Photoluminescence Quantum Yield

We proposed a strategy of employing water-induced Cs3Bi2Br9/BiOBr nanocomposites to achieve a substantial enhancement in photoluminescence quantum yield by ∼130%.

Room temperature synthesis of Sn2+ doped highly luminescent CsPbBr3 quantum dots for high CRI white light-emitting diodes

Nanoscale ◽  
2021 ◽  
Author(s):  
Dongdong Yan ◽  
Qionghua Mo ◽  
Shuangyi Zhao ◽  
Wensi Cai ◽  
Zhigang Zang
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
White Light ◽  
Room Temperature ◽  
Temperature Synthesis ◽  
Light Emitting ◽  
Photoluminescence Quantum Yield ◽  
Hot Injection ◽  
White Light Emitting Diodes ◽  
Cspbbr3 Quantum Dots

With a high photoluminescence quantum yield (PLQY) being able to exceed 90% for those prepared by hot injection method, CsPbBr3 quantum dots (QDs) have attracted intensive attentions for white light-emitting...

Solid-state thiolate-stabilized copper nanoclusters with ultrahigh photoluminescence quantum yield for white light-emitting devices

Nanoscale ◽  
2020 ◽  
Vol 12 (29) ◽  
pp. 15791-15799 ◽  
Author(s):  
Hao-Hua Deng ◽  
Qiong-Qiong Zhuang ◽  
Kai-Yuan Huang ◽  
Paramasivam Balasubramanian ◽  
Zhen Lin ◽  
...  
Keyword(s):  
Solid State ◽  
Quantum Yield ◽  
White Light ◽  
Copper Nanoclusters ◽  
Light Emitting ◽  
Aggregation Induced Emission ◽  
Emission Properties ◽  
Light Emitting Devices ◽  
Photoluminescence Quantum Yield

White-light-emitting devices are successfully fabricated by using solid-state copper nanoclusters as the sole phosphors with aggregation-induced emission properties.

Fabrication of amphiphilic quantum dots towards high-colour-quality light-emitting devices

2019 ◽  
Vol 7 (14) ◽  
pp. 4244-4249 ◽  
Author(s):  
Rui Cheng ◽  
Fucheng Li ◽  
Jiahui Zhang ◽  
Xingjin She ◽  
Yi Zhang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Synthesis Method ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Color Quality ◽  
Photoluminescence Quantum Yield ◽  
Interfacial Synthesis

An easy-to-perform interfacial synthesis method is demonstrated to achieve amphiphilic quantum dots with a high photoluminescence quantum yield, which are useful for high-color-quality light-emitting applications.

Blue and green double band luminescent carbon quantum dots: Synthesis, origin of photoluminescence, and application in white light-emitting devices

2021 ◽  
Vol 118 (15) ◽  
pp. 153102
Author(s):  
Xifang Chen ◽  
Wenhui Wu ◽  
Wenxia Zhang ◽  
Ziye Wang ◽  
Zhenjin Fu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
White Light ◽  
Carbon Quantum Dots ◽  
Light Emitting ◽  
Light Emitting Devices

Controlling the magic size of white light-emitting CdSe quantum dots

Nanoscale ◽  
2018 ◽  
Vol 10 (21) ◽  
pp. 10256-10261 ◽  
Author(s):  
Sheng Dai ◽  
Yu-Sheng Su ◽  
Shu-Ru Chung ◽  
Kuan-Wen Wang ◽  
Xiaoqing Pan
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
White Light ◽  
Carbon Chain ◽  
Cdse Quantum Dots ◽  
Light Emitting

By employing a particular non-coordinating solvent and long carbon chain amine, white-light emitting CdSe quantum dots with magic sizes and enhanced quantum yield can be prepared.

Ultrastable Lead-Free Double Perovskite Warm-White Light-Emitting Devices with a Lifetime above 1000 Hours

2020 ◽  
Vol 12 (41) ◽  
pp. 46330-46339
Author(s):  
Sen Li ◽  
Zhifeng Shi ◽  
Fei Zhang ◽  
Lintao Wang ◽  
Zhuangzhuang Ma ◽  
...  
Keyword(s):  
White Light ◽  
Double Perovskite ◽  
Lead Free ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Warm White Light

Electrically-Driven Violet Light-Emitting Devices Based on Highly Stable Lead-Free Perovskite Cs3Sb2Br9 Quantum Dots

2019 ◽  
Vol 5 (2) ◽  
pp. 385-394 ◽  
Author(s):  
Zhuangzhuang Ma ◽  
Zhifeng Shi ◽  
Dongwen Yang ◽  
Fei Zhang ◽  
Sen Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Lead Free ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Violet Light

Enhancement of Fluorescence Emission for Tricolor Quantum Dots Assembled in Polysiloxane toward Solar Spectrum‐Simulated White Light‐Emitting Devices

Small ◽  
2019 ◽  
Vol 16 (1) ◽  
pp. 1905266 ◽  
Author(s):  
Guangqi Hu ◽  
Yuqiong Sun ◽  
Jianle Zhuang ◽  
Xuejie Zhang ◽  
Haoran Zhang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
White Light ◽  
Solar Spectrum ◽  
Fluorescence Emission ◽  
Light Emitting ◽  
Light Emitting Devices

scholarly journals Lead-free, stable, high-efficiency (52%) blue luminescent FA3Bi2Br9 perovskite quantum dots

2020 ◽  
Vol 5 (3) ◽  
pp. 580-585 ◽  
Author(s):  
Yalong Shen ◽  
Jun Yin ◽  
Bo Cai ◽  
Ziming Wang ◽  
Yuhang Dong ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Room Temperature ◽  
High Efficiency ◽  
Blue Emission ◽  
Lead Free ◽  
Photoluminescence Quantum Yield ◽  
Perovskite Quantum Dots ◽  
First Time

Lead-free Bi-based perovskite FA3Bi2X9 (X = Cl, Br, and I) quantum dots (QDs) are synthesized for the first time at room temperature. The ligand-passivated FA3Bi2Br9 QDs exhibit blue emission at 437 nm with photoluminescence quantum yield (PLQY) up to 52%.

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