Mn2+ doped CsPbBr3 perovskite quantum dots with high quantum yield and stability for flexible array displays

被引：8
|
作者：
Lin, Chang-Qing [1 ]
Liu, Mao-Lin [2 ,3 ]
Yang, Zhen [1 ]
Wang, Han [2 ,3 ]
Pan, Chun-Yang [1 ]
机构：
[1] Guangdong Univ Technol, Sch Light Ind & Chem Engn, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangdong Univ Technol, State Key Lab Precis Elect Mfg Technol & Equipmen, Guangzhou 510006, Peoples R China
[3] Guangdong Univ Technol, Guang Dong Prov Key Lab Micronano Mfg Technol & E, Guangzhou 510006, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2023年 / 327卷
基金：
中国国家自然科学基金;
关键词：
Perovskite quantum dot; Doping; Light-emitting diodes; Flexible array; CESIUM LEAD HALIDE; NANOCRYSTALS; BR; CL; PHOTOLUMINESCENCE; EMISSION; CSPBX3;
D O I：
10.1016/j.jssc.2023.124295
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
To improve photoluminescence quantum yield (PLQY) and enhance stability of CsPbBr3 QDs, Mn2+ doped CsPbBr3 QDs were synthesize vis hot injection method, whose PLQY reach 84%, possessing a more durable water and heat stability. In this study, the photoluminescence (PL) properties of Mn2+ doped CsPbBr3 quantum dots (QDs) were investigated. The results revealed that an increase in the Mn2+ concentration led to a reduction in surface defects of CsPbBr3 QDs, resulting in enhanced PL intensity Besides, the Mn2+ doped CsPbBr3 QDs were used to assemble WLED devices and printed arrays on flexible substrates, which has achieved excellent effect.
引用
收藏
页数：9
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