Progress of High-efficiency Perovskite Quantum Dot Light-emitting Diodes

Hui-hui PI; Guo-hui LI; Bo-lin ZHOU; Yan-xia CUI

doi:10.37188/CJL.20200406

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Progress of High-efficiency Perovskite Quantum Dot Light-emitting Diodes

Device Fabrication and Physics | 更新时间：2021-05-20

- Progress of High-efficiency Perovskite Quantum Dot Light-emitting Diodes
- Chinese Journal of Luminescence Vol. 42, Issue 5, Pages: 650-667(2021)
- 作者机构：
  
  太原理工大学　物理与光电工程学院，山西　太原　 030024
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(61922060;61775156);Natural Science Foundation of Shanxi Province(201701D211002;201701D221029)
- DOI：10.37188/CJL.20200406
  CLC： TN312.8
- Published：01 May 2021，
  
  Received：01 January 2021，
  
  Revised：14 January 2021，
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Hui-hui PI, Guo-hui LI, Bo-lin ZHOU, et al. Progress of High-efficiency Perovskite Quantum Dot Light-emitting Diodes. [J]. Chinese Journal of Luminescence 42(5):650-667(2021)
DOI：

Hui-hui PI, Guo-hui LI, Bo-lin ZHOU, et al. Progress of High-efficiency Perovskite Quantum Dot Light-emitting Diodes. [J]. Chinese Journal of Luminescence 42(5):650-667(2021) DOI： 10.37188/CJL.20200406.

摘要

钙钛矿量子点具有光致发光量子产率高、发光光谱可调、光谱宽度窄、缺陷容忍度高以及独特的量子限域效应等优点，因此成为研制新型高效率发光二极管(LED)的热门材料。本文介绍了近几年基于钙钛矿量子点LED的研究最新进展。首先，介绍了钙钛矿量子点独特的晶体结构及钙钛矿发光器件的工作原理。然后，阐述了合成高光致发光量子产率(PLQY)量子点的方法及提高钙钛矿量子点LED效率的若干方法。最后，分析了当前钙钛矿量子点LED所面临的挑战如不稳定性及毒性，以及可应用在显示和照明方面的高效率LED所展现的前景。本综述为研制更高效率以及更加安全的钙钛矿量子点发光器件提供了有益的见解。

Abstract

Perovskite quantum dots(QD

) are attracting materials for realizing new efficient light-emitting diode(LED) due to their merits such as high photoluminescence quantum yield

adjustable luminous spectrum

narrow spectral width

high defect tolerance and unique quantum confined effect. This paper introduces the latest progress in the research of perovskite-based quantum dot light-emitting diodes in recent years. Firstly

the unique crystal structure of perovskite quantum dot and the working principle of perovskite light-emitting device are introduced. Secondly

the method of synthesizing high photoluminescence quantum yield(PLQY) quantum dot and several methods of improving the LED efficiency of perovskite quantum dot are described. Finally

we analyzed the challenges faced by perovskite QD

such as instability

toxicity and the prospects for developing efficient LED for applications in display and lighting. This review is expected to provide helpful insights for promoting the efficiency and safety of QD

关键词

量子点钙钛矿发光二极管光致发光量子产率外量子效率电流效率

Keywords

quantum dotsperovskite LEDphotoluminescence quantum yieldexternal quantum efficiencycurrent efficiency

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