Ultra-stable and color-tunable manganese ions doped lead-free cesium zinc halides nanocrystals in glasses for light-emitting applications

被引：31

作者：

Li, Kai ^{[1
]}

Ye, Ying ^{[1
]}

Zhang, Wenchao ^{[1
]}

Zhou, Yao ^{[1
]}

Zhang, Yudong ^{[1
]}

Lin, Shisheng ^{[2
,3
]}

Lin, Hang ^{[2
,3
]}

Ruan, Jian ^{[1
]}

Liu, Chao ^{[1
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Silicate Mat Architectures SMART, 122 Luoshi Rd, Wuhan 430070, Peoples R China

[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Peoples R China

[3] Fujian Sci & Technol Innovat Lab Optoelect Inform, Fuzhou 350108, Peoples R China

来源：

NANO RESEARCH | 2022年 / 15卷 / 10期

关键词：

cesium zinc halides nanocrystals; lead-free; long-term-stability; light-emitting diode (LED); SELF-TRAPPED EXCITONS; OPTICAL-PROPERTIES; EMISSION PROPERTIES; QUANTUM DOTS; PEROVSKITES; LUMINESCENCE; MN2+;

D O I：

10.1007/s12274-022-4607-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

All inorganic CsPbX3 (X = CI, Br, and I) perovskite nanocrystals have made unprecedented radical progresses for opto-electronic applications, but their instability and toxicity of lead impede their wide applications. Herein, we report the first precipitation of lead-free Mn:Cs2ZnX4 nanocrystals in glasses. Efficient green and red photoluminescence are realized from these Mn:Cs2ZnX4 nanocrystals in glasses. By adjusting the size and halide component in these nanocrystals, coordination environment of Mn2+ ions can be tuned, leading to tunable photoluminescence with improved quantum efficiency. It is illustrated that in-situ precipitation of these Mn:Cs2ZnX4 nanocrystals in glasses significantly improves their thermal-, chemical-, and photo-stabilities, making them promising for light-emitting diodes with stable chromaticity coordinates.

引用

页码：9368 / 9376

页数：9

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