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Synergistic passivation and stepped-dimensional perovskite analogs enable high-efficiency near-infrared light-emitting diodes

Authors :
Yongjie Liu
Chen Tao
Yu Cao
Liangyan Chen
Shuxin Wang
Pei Li
Cheng Wang
Chenwei Liu
Feihong Ye
Shengyong Hu
Meng Xiao
Zheng Gao
Pengbing Gui
Fang Yao
Kailian Dong
Jiashuai Li
Xuzhi Hu
Hengjiang Cong
Shuangfeng Jia
Ti Wang
Jianbo Wang
Gang Li
Wei Huang
Weijun Ke
Jianpu Wang
Guojia Fang
Source :
Nature Communications, Vol 13, Iss 1, Pp 1-12 (2022)
Publication Year :
2022
Publisher :
Nature Portfolio, 2022.

Abstract

Defect-assisted nonradiative recombination and carrier aggregation at the interface hinder the potential of perovskites as emitter for light-emitting diodes. Here, Fang et al. achieve an external quantum efficiency of 24.1% by combining multidimensional perovskite with cascade conduction bands.

Subjects

Subjects :
Science

Details

Language :
English
ISSN :
20411723
Volume :
13
Issue :
1
Database :
Directory of Open Access Journals
Journal :
Nature Communications
Publication Type :
Academic Journal
Accession number :
edsdoj.4ae3680dc64e7b92822d5e89cff13b
Document Type :
article
Full Text :
https://doi.org/10.1038/s41467-022-35218-0