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

页码：7515 / 7520

页数：6

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