不同溶剂中CsPbBr<sub>3</sub>钙钛矿纳米晶的制备及性能

方骏; 陈泽廷; 沈江荣; 林鹏程

doi:10.37188/CJL.20200187

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不同溶剂中CsPbBr₃钙钛矿纳米晶的制备及性能

材料合成及性能 | 更新时间：2020-11-10

- 不同溶剂中CsPbBr₃钙钛矿纳米晶的制备及性能
- Property of CsPbBr₃ Perovskite Nanocrystals Prepared in Different Solvents
- 发光学报 2020年41卷第11期页码：1376-1382
- 作者机构：
  
  广东工业大学材料与能源学院广东省功能软凝聚态物质重点实验室, 广东广州 510006
- 作者简介：
  
  [ "方骏(1998-), 男, 广东惠来人, 在读本科生, 主要从事纳米晶体材料的研究。E-mail:862157137@qq.com" ]
  [ "林鹏程(1987-), 男, 湖南常德人, 博士, 副教授, 2016年于东北大学获得博士学位, 主要从事微(纳)流控芯片设计、制造及在化学分析和材料制备中应用的研究。E-mail:pclin@gdut.edu.cn" ]
- 基金信息：
  
  国家自然科学基金项目(61805047);广州市科创委对外科技合作项目(201807010108);广东省自然科学基金(2019A1515011379)
- DOI：10.37188/CJL.20200187
  中图分类号： O482.31
- 纸质出版日期：2020-11，
  
  收稿日期：2020-7-2，
  
  录用日期：2020-7-29
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方骏, 陈泽廷, 沈江荣, 等. 不同溶剂中CsPbBr₃钙钛矿纳米晶的制备及性能[J]. 发光学报, 2020,41(11):1376-1382.

Jun FANG, Ze-ting CHEN, Jiang-rong SHEN, et al. Property of CsPbBr₃ Perovskite Nanocrystals Prepared in Different Solvents[J]. Chinese Journal of Luminescence, 2020,41(11):1376-1382.
方骏, 陈泽廷, 沈江荣, 等. 不同溶剂中CsPbBr₃钙钛矿纳米晶的制备及性能[J]. 发光学报, 2020,41(11):1376-1382. DOI： 10.37188/CJL.20200187.

Jun FANG, Ze-ting CHEN, Jiang-rong SHEN, et al. Property of CsPbBr₃ Perovskite Nanocrystals Prepared in Different Solvents[J]. Chinese Journal of Luminescence, 2020,41(11):1376-1382. DOI： 10.37188/CJL.20200187.

摘要

全无机钙钛矿纳米晶由于具有高量子产率、窄线宽和可见光全波段发光特性，在功能光学材料和光学器件等领域具有广阔的应用前景。本文在室温下通过液相沉淀法制备CsPbBr

钙钛矿纳米晶，研究了溶剂密度、极性和粘度对钙钛矿纳米晶的反应过程、晶体结构、微观形貌和光学性能的影响。结果表明，通过改变反应溶剂的密度可以实现CsPbBr

钙钛矿纳米晶在反应器上部、下部以及整个液相中的生长。溶剂的极性越大，制备的CsPbBr

钙钛矿纳米晶的结晶度越低、发光强度和稳定性越低。过高的溶剂粘度不利于高质量CsPbBr

钙钛矿纳米晶的制备。本文提出的多种溶剂下快速制备CsPbBr

纳米晶的方法有望进一步促进其在太阳能电池、激光器、光探测器以及发光二极管等领域的应用。

Abstract

All inorganic perovskite nanocrystals have broad application prospects in functional optical materials and optical devices due to their high quantum yield

narrow line width and full band visible light emission characteristics. The effect of solvent density

polarity and viscosity on the reaction process

crystal structure

microstructure and optical properties of CsPbBr

perovskite nanocrystals was studied in this work. The results show that the growth of CsPbBr

perovskite nanocrystals in the upper

lower and whole liquid phase of the reactor can be realized by changing the density of the reaction solvent. The higher the polarity of the solvent

the lower the crystallinity

the lower the luminescence intensity and stability. High solvent viscosity is not conducive to the preparation of high quality CsPbBr

perovskite nanocrystals. The method proposed in this paper is expected to further improve its application in solar cells

lasers

photodetectors and light-emitting diodes.

关键词

CsPbBr3液相沉淀法溶剂钙钛矿

Keywords

CsPbBr3liquid-phase precipitationsolventperovskite

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醋酸铯合成CsPbBr₃全无机钙钛矿量子点及薄膜发光特性

CsPbBr₃钙钛矿量子点微晶的制备及发光性能

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不同溶剂中CsPbBr3钙钛矿纳米晶的制备及性能

Property of CsPbBr3 Perovskite Nanocrystals Prepared in Different Solvents

DOI：10.37188/CJL.20200187

摘要

Abstract

关键词

Keywords

references

不同溶剂中CsPbBr₃钙钛矿纳米晶的制备及性能

Property of CsPbBr₃ Perovskite Nanocrystals Prepared in Different Solvents