Tunable photoluminescence of CsPbBr3 perovskite quantum dots for their physical research

被引：65
|
作者：
Chen, Haitao [1 ,2 ]
Guo, Anqi [1 ]
Zhu, Jun [1 ]
Cheng, Liwen [1 ]
Wang, Qiang [1 ]
机构：
[1] Yangzhou Univ, Coll Phys Sci & Technol, Yangzhou 225002, Jiangsu, Peoples R China
[2] Nanjing Univ, Lab Modern Acoust MOE, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2019年 / 465卷
基金：
中国国家自然科学基金;
关键词：
Perovskite nanostructure; Diameter; Radiative lifetime; PL mechanism; HALIDE PEROVSKITES; ROOM-TEMPERATURE; CSPBX3; X; BR; CL; NANOCRYSTALS; LUMINESCENCE; FLUORESCENCE; MORPHOLOGY;
D O I：
10.1016/j.apsusc.2018.08.211
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 cesium lead halide perovskite nanostructure CsPbBr3 quantum dots have brought extensive attention in photoelectric applications. In this paper, CsPbBr3 quantum dots were synthesized with the diameter ranges from 8.7 to 11.8 nm by adjusting reaction temperature from 140 to 180 degrees C. In addition, for the mono-disperse CsPbBr3 nanocrystals, it was found that radiative lifetime exists between 5 and 20 ns and PL decay lifetimes ranges from 4 to 11 ns, and their PL mechanism was studied thoroughly.
引用
收藏
页码：656 / 664
页数：9
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