Sky-blue perovskite light-emitting diodes based on quasi-two-dimensional layered perovskites

被引：0

作者：

Lu Cheng ^{[1
]}

Yu Cao ^{[1
]}

Rui Ge ^{[1
]}

Ying-Qiang Wei ^{[1
]}

Na-Na Wang ^{[1
]}

Jian-Pu Wang ^{[1
]}

Wei Huang ^{[1
,2
]}

机构：

[1] Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials,Nanjing Tech University

[2] Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing University of Posts & Telecommunications

来源：

ChineseChemicalLetters | 2017年 / 28卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Perovskite light-emitting diodes; Quasi-2D; Sky-blue emission; Morphology; Solution process;

D O I：

暂无

中图分类号：

TN312.8 [];

学科分类号：

0803 ;

摘要：

A mixed organic(4-phenylbutylamine, 4-PBA) and inorganic(cesium, Cs) cations are used to deposit quasi-two-dimensional layered perovskites. This layered perovskites exhibit good film coverage as twodimensional perovskites and high emission performance close to three-dimensional organic–inorganic hybrid perovskites. Light-emitting diodes(LEDs) are fabricated by using solution process based on the quasi-two-dimensional layered perovskites. The perovskite LEDs exhibit a sky-blue emission with electroluminescence peak at 491 nm and a low turn on voltage at 2.9 V. The maximum external quantum efficiency reaches 0.015% at brightness of 186 cd/m2.

引用

页码：29 / 31

页数：3

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