Optimization and Performance Analysis of a TiO/i-CHNHSnBr/CsPbI/Al(BSF) Heterojunction Perovskite Solar Cell for Enhanced Efficiency

Overview

Journal ACS Omega

Publisher American Chemical Society

Specialty Chemistry

Date 2023 Oct 16

PMID 37841169

Authors

Mohamed Ghaleb

Amina Arrar

Zaza Touaa

Affiliations

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Abstract

This paper reports the simulation and optimization of heterojunction perovskite solar cells (PSCs) with a proposed structure of TiO/i-CHNHSnBr/CsPbI/Al(BSF) using SCAPS-1D software. The purpose of this study is to investigate the performance of the PSC with CsPbI perovskite active layers and i-CHNHSnBr as the permeable layer. Therefore, the thicknesses of the layers of the heterojunction perovskite are modified in order to find a better conversion efficiency of the solar cell, where the latter's performance is improved by optimizing the absorber's thickness, which is found to be 1 μm, with a permeable layer of 15 μm. The device efficiency of the i-CHNHSnBr/CsPbI heterojunction is improved to 38.98%, and optimized parameters are = 1.21 mV, = 35.63 mA/cm, and FF = 89.84%. The acceptor concentration (), donor concentration (), defect density, and series and shunt resistances are also investigated.

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