Self-powered white light photodetector with enhanced photoresponse using camphor sulphonic acid treated CsPbBr3 perovskite in carbon matrix

M. Dhakshnamoorthy,A. Kathirvel,S. Mohan Raj,Venkata Ramayya Ancha,Mulualem Abebe,Sudip K. Batabyal

Materials Letters（2023）

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摘要

•Surface passivation of CsPbBr3perovskite microcrystals by Camphor sulfonic acid (CSA).•Binding of CSA on CsPbBr3microcrystals enhances photo-emission and stability of perovskites.•Higher photo responsivity of FTO/TiO2/CsPbBr3-CSA/Carbon self-powered photodetector.•Photodetector exhibited higher photo detectivity under white light.

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关键词

Solar energy materials, Cesium Lead Bromide (CsPbBr 3 ), Camphor Sulfonic Acid, Carbon materials, Photodetector

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