Efficient Visible Quasi-2D Perovskite Light-Emitting Diodes

被引：605
|
作者：
Byun, Jinwoo [1 ]
Cho, Himchan [1 ]
Wolf, Christoph [1 ]
Jang, Mi [2 ]
Sadhanala, Aditya [3 ]
Friend, Richard H. [3 ]
Yang, Hoichang [2 ]
Lee, Tae-Woo [1 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Dept Mat Sci & Engn, Pohang 37673, South Korea
[2] Inha Univ, Dept Appl Organ Mat Engn, Inchon 22212, South Korea
[3] Univ Cambridge, Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England
来源：
ADVANCED MATERIALS | 2016年 / 28卷 / 34期
基金：
新加坡国家研究基金会; 英国工程与自然科学研究理事会;
关键词：
layered perovskites; mixed organic ammonium; organic; inorganic hybrid perovskites; organometal halide perovskites; phenylethyl ammonium (PEA) lead bromide; ORGANOMETAL HALIDE PEROVSKITE; EXCITON BINDING-ENERGY; SOLAR-CELLS; PERFORMANCE; DEVICES;
D O I：
10.1002/adma.201601369
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Efficient quasi-2D-structure perovskite light-emitting diodes (4.90 cd A(-1)) are demonstrated by mixing a 3D-structured perovskite material (methyl ammonium lead bromide) and a 2D-structured perovskite material (phenylethyl ammonium lead bromide), which can be ascribed to better film uniformity, enhanced exciton confinement, and reduced trap density.
引用
收藏
页码：7515 / 7520
页数：6
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