提高钙钛矿量子点稳定性的研究进展

doi:10.16085/j.issn.1000-6613.2020-0432

化工进展 ›› 2021, Vol. 40 ›› Issue (1): 247-258.DOI: 10.16085/j.issn.1000-6613.2020-0432

提高钙钛矿量子点稳定性的研究进展

吕斌¹^,²(), 郭旭¹^,², 高党鸽¹^,²(), 马建中¹^,², 麻冬³

^1.陕西科技大学轻工科学与工程学院，陕西西安 710021
^2.轻化工程国家级实验教学示范中心，陕西西安 710021
^3.陕西燃气集团富平能源科技有限公司，陕西渭南 711700

收稿日期:2020-03-23 出版日期:2021-01-05 发布日期:2021-01-12
通讯作者: 高党鸽
作者简介:吕斌（1980—），男，博士，教授，博士生导师，研究方向为有机-无机纳米复合材料。E-mail：xianyanglvbin@163.com。
基金资助:
陕西省“高层次人才特殊支持计划”青年拔尖人才项目;陕西省自然科学基础研究计划杰出青年科学基金(2020 JC-47);陕西省重点研发计划(2020GY-258);陕西省留学人员科技活动择优资助项目(2019005)

Research progress on the improvement of the stability of perovskite quantum dots

Bin LYU¹^,²(), Xu GUO¹^,², Dangge GAO¹^,²(), Jianzhong MA¹^,², Dong MA³

^1.College of Bioresources Chemistry and Materials Engineering, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
^2.National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
^3.Shaanxi Gas Group Fuping Energy Technology Corporation Limited, Weinan 711700, Shaanxi, China

Received:2020-03-23 Online:2021-01-05 Published:2021-01-12
Contact: Dangge GAO

摘要/Abstract

摘要：

钙钛矿量子点具有发光谱带较窄、发光可调、量子效率高等优异的光学性能，在发光二极管、激光发射器等领域广受关注。但是钙钛矿量子点由于强离子性、高表面能及表面配体易迁移等特性而对环境高度敏感，使其在实际应用中受到限制。本文简要介绍了钙钛矿量子点结构和不稳定的原因，综述了近年来提高钙钛矿量子点稳定性的主要方法，重点从离子掺杂、表面钝化、表面包覆及多重保护4个方面展开论述。最后从绿色环保的角度出发，对高稳定生物质基钙钛矿量子点材料的制备进行了展望，提出使用具有特定结构的生物质材料及其衍生材料取代传统石油基试剂作为配体、溶剂或吸附重金属离子的外壳材料，可加速钙钛矿量子点朝着绿色低毒的方向发展。

关键词: 钙钛矿, 量子点, 稳定性, 生物质

Abstract:

Perovskite quantum dots have attracted much attention in light-emitting diodes, laser emitters, and other fields due to their narrow optical emission bands, adjustable light emission, and high quantum yield, etc. However, perovskite quantum dots are highly sensitive to the environment due to their strong ionicity, high surface energy, and easy migration of surface ligands, therefore, they are limited in practical applications. This article introduces the reasons of the structure and instability of perovskite quantum dots and summarizes the main methods to improve the stability of perovskite quantum dots in recent years from four aspects: ion doping, surface passivation, surface coating, and multiple protection. Finally, from the perspective of green environmental protection, the prospect of the preparation of highly stable biomass-based perovskite quantum dots are put forward. It proposed to use biomass materials with specific structures and their derivatives to replace traditional petroleum-based reagents as ligands, solvents, and shell materials for the adsorption of heavy metal ions, which accelerates the development of perovskite quantum dots towards green and low toxicity.

Key words: perovskite, quantum dots, stability, biomass

中图分类号:

TN304

吕斌, 郭旭, 高党鸽, 马建中, 麻冬. 提高钙钛矿量子点稳定性的研究进展[J]. 化工进展, 2021, 40(1): 247-258.

Bin LYU, Xu GUO, Dangge GAO, Jianzhong MA, Dong MA. Research progress on the improvement of the stability of perovskite quantum dots[J]. Chemical Industry and Engineering Progress, 2021, 40(1): 247-258.

图/表 7

图1 典型钙钛矿结构示意图

图2 Mn2+掺杂

图3 含磷配比钝化

图4 纳米SiO2/钙钛矿量子点形成机理图[68]

图5 钙钛矿量子点在不同材料中的生长示意图

图6 不发光的Cs4PbX6在水汽作用下转变成为荧光的CsPbX3[79]

图7 淀粉包覆钙钛矿材料示意图[94]

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提高钙钛矿量子点稳定性的研究进展

Research progress on the improvement of the stability of perovskite quantum dots

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