Controllable and facile synthesis of CsPbBr3-Cs4PbBr6 perovskite composites in pure polar solvent

被引：46
作者：
Lou, Sunqi [1 ,2 ]
Xuan, Tongtong [2 ]
Liang, Qiongyun [2 ]
Huang, Junjian [2 ]
Cao, Luyu [2 ]
Yu, Caiyan [1 ]
Cao, Mengmeng [1 ]
Xia, Chao [1 ]
Wang, Jing [2 ]
Zhang, Dafeng [3 ]
Li, Huili [1 ]
机构：
[1] East China Normal Univ, Sch Phys & Mat Sci, Minist Educ, Engn Res Ctr Nanophoton & Adv Instrument, Shanghai 200062, Peoples R China
[2] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Key Lab Bioinorgan & Synthet Chem,Minist Educ, Sch Chem,Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China
[3] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252000, Shandong, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2019年 / 537卷
基金：
中国国家自然科学基金;
关键词：
Perovskite; Luminescent; Morphology; Micropetals; QUANTUM DOTS; OPTICAL-PROPERTIES; I NANOCRYSTALS; CS4PBX6; X; TRANSFORMATION; BR; CL; PHOTOLUMINESCENCE;
D O I：
10.1016/j.jcis.2018.11.041
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：
Here, we present a single atomic supersaturated recrystallization method to synthesize the green-emitting CsPbBr3-Cs4PbBr6 perovskite composites in solid state with the highest PLQY of 40.8% in pure polar solvent. The component, morphology, and optical properties of the microcrystals can be tuned by varying growth time, the content of ammonium bromide, and bromine source. The developed method provides a new route to large-scale synthesize high quality perovskite composites emitters for light-emitting diodes. (C) 2018 Elsevier Inc. All rights reserved.
引用
收藏
页码：384 / 388
页数：5
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