Research Progress of Lead Halide Perovskite Nanocrystals Stabilized by Surface Coating

Xiao-xiong HE; Hao ZHOU; Qing-quan HE; Jun PAN

doi:10.37188/CJL.20210223

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Research Progress of Lead Halide Perovskite Nanocrystals Stabilized by Surface Coating

Synthesis and Properties of Materials | 更新时间：2021-11-23

- Research Progress of Lead Halide Perovskite Nanocrystals Stabilized by Surface Coating
  增强出版
- Chinese Journal of Luminescence Vol. 42, Issue 11, Pages: 1701-1721(2021)
- 作者机构：
  
  浙江工业大学　材料科学与工程学院，浙江　杭州　310014
- 作者简介：
- 基金信息：
  
  Leading Innovativeand Entrepreneur Team Introduction Programof China(2020R01002);National Natural Science Foundation of China(21805181)
- DOI：10.37188/CJL.20210223
  CLC： TQ174
- Received：02 July 2021，
  
  Revised：24 July 2021，
  
  Published：01 November 2021
- 稿件说明：
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Xiao-xiong HE, Hao ZHOU, Qing-quan HE, et al. Research Progress of Lead Halide Perovskite Nanocrystals Stabilized by Surface Coating[J]. Chinese journal of luminescence, 2021, 42(11): 1701-1721.
DOI：

Xiao-xiong HE, Hao ZHOU, Qing-quan HE, et al. Research Progress of Lead Halide Perovskite Nanocrystals Stabilized by Surface Coating[J]. Chinese journal of luminescence, 2021, 42(11): 1701-1721. DOI： 10.37188/CJL.20210223.

摘要

铅卤化物钙钛矿纳米晶具有高光致发光量子产率、窄发光半峰宽、可调带隙、高载流子迁移率等优异的光电性能，使其在太阳能电池、发光二极管、激光发射和X射线成像等光电领域均有巨大的应用前景。然而，由于铅卤化物钙钛矿离子化合物的本征特性，其在水分、光照和温度等环境条件下易发生相变或分解而影响其稳定性。稳定性问题已成为限制钙钛矿纳米晶材料商业化应用的最大障碍。近年来，研究人员报道了多种稳定钙钛矿纳米晶的方法，取得了显著成果。本文介绍了钙钛矿结构及其不稳定性的原因，详细概括了利用高分子、无机物、多孔材料，异质结等多种表面包覆策略来稳定卤化物钙钛矿纳米晶的研究进展，并展望了表面包覆的进一步设计思路。

Abstract

Lead halide perovskite nanocrystals are emerging semiconductor materials in the past decade

exhibiting excellent optoelectronic properties

such as high photoluminescence quantum yield

narrow emission

tunable emission peak position

and high carrier mobility. They show great application prospects in the fields of solar cells

light-emitting diodes

lasers

and X-ray scintillators. However

lead halide perovskite materials easily undergo phase transformation or decomposition under the ambient conditions including water

light

and/or high temperature due to the inherent characteristics of perovskite ionic compounds. Stability is the biggest obstacle limiting the commercialization of perovskite nanocrystals. In recent years

many methods for stabilizing perovskite nanocrystals have been reported. In this review

the structures and the causes of instability of perovskite nanocrystals

as well as the strategies for forming composite materials to stabilize the nanocrystals by surface coating including macromolecule

inorganic matter

porosint

and heterojunction are summarized in detail. Some perspectives about the stabilization of perovskite nanocrystals are also proposed.

关键词

Keywords

references

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Related Institution

Zhejiang University of Technology， School of Materials Science and Engineering

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State Key Laboratory of Integrated Optoelectronics， College of Electronic Science and Engineering， Jilin University

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State Key Laboratory of Integrated Optoelectronics， College of Electronic Science and Engineering， Jilin University

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