Strain engineering improves the photovoltaic performance of carbon-based hole-transport-material free CsPbIBr2 perovskite solar cells

Wei He; Xingxing Duan; Qunwei Tang; Jie Dou; Jialong Duan

doi:10.1039/D4CC01012D

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Strain engineering improves the photovoltaic performance of carbon-based hole-transport-material free CsPbIBr₂ perovskite solar cells†

Wei He,‡^a Xingxing Duan,‡^b Qunwei Tang,

^b Jie Dou

*^b and Jialong Duan

*^bc

Author affiliations

* Corresponding authors

^a Institute of New Energy Technology, College of Information Science and Technology, Jinan University, Guangzhou 510632, P. R. China

^b Institute of Carton Neutrality, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, P. R. China
E-mail: doujiefzu@163.com, duanjialong@sdust.edu.cn

^c Wuhan National Laboratory for Optoelectronics and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China

Abstract

Alkylamines with different chain lengths including n-butylamine, n-hexylamine, and n-octylamine, are applied to regulate the CsPbIBr₂ perovskite film quality by strain engineering. The status of residual strains is controllably modulated, resulting in improved efficiency and stability of carbon-based hole-transport-material free CsPbIBr₂ perovskite solar cells.

This article is part of the themed collection: Perovskites

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Article information

DOI: https://doi.org/10.1039/D4CC01012D
Article type: Communication
Submitted: 03 Mar 2024
Accepted: 10 Apr 2024
First published: 11 Apr 2024

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Chem. Commun., 2024, Advance Article

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Strain engineering improves the photovoltaic performance of carbon-based hole-transport-material free CsPbIBr₂ perovskite solar cells

W. He, X. Duan, Q. Tang, J. Dou and J. Duan, Chem. Commun., 2024, Advance Article , DOI: 10.1039/D4CC01012D

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