Design and optimization of Cs2AgInBr6/CsSnI3-based dual-absorber inorganic perovskite solar cell for enhanced broadband absorption

被引：0

作者：

Borah, Janmoni ^{[1
]}

Baruah, Smriti ^{[1
]}

机构：

[1] Madanapalle Institute of Technology & Science, Andhra Pradesh, Madanapalle

来源：

Micro and Nanostructures | 2025年 / 207卷

关键词：

Cs[!sub]2[!/sub]AgInBr[!sub]6[!/sub; CsSnI[!sub]3[!/sub; Dual absorbers; Inorganic perovskite; Power conversion efficiency;

D O I：

10.1016/j.micrna.2025.208274

中图分类号：

学科分类号：

摘要：

This article introduces an innovative dual-absorber solar cell design using Dicesium Silver Indium Hexabromide (Cs2AgInBr6) and Cesium Tin Tri-iodide (CsSnI3) in a FTO/ZnO/Cs2AgInBr6/CsSnI3/CFTS heterojunction architecture. The optimal energy band alignment, along with structural and electrical parameter optimization of the Cs2AgInBr6/CsSnI3 dual-absorber configuration, enhances power conversion efficiency (PCE), overcoming limitations in single-absorber Cs2AgInBr6 perovskite photovoltaic cells (PPCs). This enhancement is due to the synergistic effects between absorbers, improving light absorption and charge carrier dynamics. Using SCAPS-1D, critical parameters such as absorber thickness, defect density, and carrier transport layers were optimized. The dual-absorber achieved a PCE of 25.32 %, Voc of 0.95 V, fill factor of 86 %, and Jsc of 31.9 mA/cm2, outperforming the 11.96 % PCE of single-absorber PPCs. A peak quantum efficiency (QE) of 90 % spanning over 300–1000 nm wavelength range was also obtained, surpassing the 79 % QE of single absorbers over 300–830 nm. © 2025 Elsevier Ltd

引用

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