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Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Optimization of Lead-Free Sn-Based Perovskite Solar Cells using SCAPs-1D Simulation Techniques

Version 1 : Received: 6 June 2024 / Approved: 7 June 2024 / Online: 11 June 2024 (08:33:23 CEST)

How to cite: Maqsood, A.; Abid, M. I.; Kamran, M.; Turzyński, M.; Tlija, M.; Ghith, E. Optimization of Lead-Free Sn-Based Perovskite Solar Cells using SCAPs-1D Simulation Techniques. Preprints 2024, 2024060524. https://doi.org/10.20944/preprints202406.0524.v1 Maqsood, A.; Abid, M. I.; Kamran, M.; Turzyński, M.; Tlija, M.; Ghith, E. Optimization of Lead-Free Sn-Based Perovskite Solar Cells using SCAPs-1D Simulation Techniques. Preprints 2024, 2024060524. https://doi.org/10.20944/preprints202406.0524.v1

Abstract

Perovskite solar cells (PSCs) are vital for their optical and electrical properties, with lead-based PSCs reaching a remarkable efficiency of 26.1%, while tin-based counterparts achieve 18.71%. Due to lead's toxicity, there's a push for alternatives like tin. However, tin-based PSCs suffer from stability issues and high defect density states, necessitating the development of cost-effective, high-performance, and eco-friendly alternatives. In this study, we designed a hetero-junction architecture using MASnI3-based Perovskite, opti-mized with SCAPs-1D. After exhaustive analysis, our device achieved a power conversion efficiency of 24.18%, with enhanced parameters including Voc of 0.09323V, Jsc of 30.8360 mA/cm2, and FF of 84.10%. Recombination rates, particularly Shockley-Read Hall recom-bination, were significantly reduced. Parametric analyses, encompassing absorber layer thickness, band gap, defect density, doping concentration, and operating temperature, in-dicate potential efficiency enhancements. This underscores the viability of Sn-based PSCs as a cost-effective, efficient, and environmentally benevolent alternative to lead-based counterparts, promising advancements in future research and development efforts.

Keywords

Perovskite solar cells; Lead-free; Tin-based; SCAPs-1D Simulation and Performance optimization

Subject

Engineering, Electrical and Electronic Engineering

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