Focus on perovskite emitters in blue light-emitting diodes

Xiaoyu Yang; Li Ma; Maotao Yu; Hao-Hsin Chen; Yongqiang Ji; An Hu; Qixuan Zhong; Xiaohan Jia; Yanju Wang; Yuzhuo Zhang; Rui Zhu; Xinqiang Wang; Changjun Lu

doi:10.1038/s41377-023-01206-2

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Focus on perovskite emitters in blue light-emitting diodes

Reviews

- Focus on perovskite emitters in blue light-emitting diodes
- Light: Science & Applications Vol. 12, Issue 8, Pages: 1566-1582(2023)
- Affiliations：
  
  1.Leyard Optoelectronic Co., Ltd, 100091 Beijing, China
  2.State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, 100871 Beijing, China
  3.State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, 100029 Beijing, China
  4.Peking University Yangtze Delta Institute of Optoelectronics, 226010 Nantong, Jiangsu, China
- Author bio：
  
  Xiaoyu Yang (yangxy_seed@pku.edu.cn)
  Xinqiang Wang (wangshi@pku.edu.cn)
  Changjun Lu (luchangjun@leyard.com)
- Funds：
- DOI：10.1038/s41377-023-01206-2
  CLC：
- Published：31 August 2023，
  
  Published Online：24 July 2023，
  
  Received：20 February 2023，
  
  Revised：30 May 2023，
  
  Accepted：05 June 2023
- Accepted：
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Yang, X. Y. et al. Focus on perovskite emitters in blue light-emitting diodes. Light: Science & Applications, 12, 1566-1582 (2023).
DOI：

Yang, X. Y. et al. Focus on perovskite emitters in blue light-emitting diodes. Light: Science & Applications, 12, 1566-1582 (2023). DOI： 10.1038/s41377-023-01206-2.

摘要

Abstract

Blue perovskite light-emitting diodes (PeLEDs) are essential in pixels of perovskite displays

while their progress lags far behind their red and green counterparts. Here

we focus on recent advances of blue PeLEDs and systematically review the noteworthy strategies

which are categorized into compositional engineering

dimensional control

and size confinement

on optimizing microstructures

energy landscapes

and charge behaviors of wide-bandgap perovskite emitters (bandgap > 2.5 eV). Moreover

the stability of perovskite blue emitters and related devices is discussed. In the end

we propose a technical roadmap for the fabrication of state-of-the-art blue PeLEDs to chase and achieve comparable performance with the other two primary-color devices.

关键词

Keywords

references

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