Polyacrylic acid-b-polystyrene-passivated CsPbBr3 perovskite quantum dots with high photoluminescence quantum yield for light-emitting diodes

Jianhua Shen; Nan Meng; Jianzhuang Chen; Yihua Zhu; Xiaoling Yang; Yi Jia; Chunzhong Li

doi:10.1039/D2CC00051B

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Polyacrylic acid-b-polystyrene-passivated CsPbBr₃ perovskite quantum dots with high photoluminescence quantum yield for light-emitting diodes†

Jianhua Shen,

^a Nan Meng,^a Jianzhuang Chen,^a Yihua Zhu,

*^a Xiaoling Yang,*^a Yi Jia^b and Chunzhong Li

Author affiliations

* Corresponding authors

^a Shanghai Engineering Research Centre of Hierarchical Nanomaterials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Centre for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
E-mail: yhzhu@ecust.edu.cn, xlyang@ecust.edu.cn

^b High Technology Research and Development Center, Ministry of Science and Technology of the People's Republic of China, Beijing, China

^c Shanghai Engineering Research Centre of Hierarchical Nanomaterials, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China

Abstract

We report a novel strategy for the preparation of CsPbBr₃ perovskite quantum dots by polyacrylic acid-b-polystyrene ligands, which exhibited high stability and photoluminescence quantum yields. The fabricated white light-emitting diodes exhibited luminescence performance with the colour rendering index of 65.5, and a correlated colour temperature of 5464 K.

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Article information

DOI: https://doi.org/10.1039/D2CC00051B
Article type: Communication
Submitted: 04 Jan 2022
Accepted: 07 Mar 2022
First published: 08 Mar 2022

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Chem. Commun., 2022,58, 4235-4238

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Polyacrylic acid-b-polystyrene-passivated CsPbBr₃ perovskite quantum dots with high photoluminescence quantum yield for light-emitting diodes

J. Shen, N. Meng, J. Chen, Y. Zhu, X. Yang, Y. Jia and C. Li, Chem. Commun., 2022, 58, 4235 DOI: 10.1039/D2CC00051B

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