global-journal-of-research-in-engineering-f-electrical-electronic Global Journal of Research in Engineering - F: Electrical & Electronic 0975-5861 2249-4596 Global Journals Publishing Group Incorporated 83638 Numerical Analysis and HTL Variation of CH3NH3SnI3 Based Perovskite Solar Cell Using SCAPS-1D Optimizing Sn-Based Perovskite Solar Cells IslamMd Rakibul RumelMd. Mehedi Hasan AlamKhorshed BANGLADESH 22 01 2025 24 F1 53 63

Perovskite solar cells have shown success in photovoltaics, but further improvements are needed. Lead-based organic-inorganic hybrid perovskites have potential, but toxicity issues prevent commercialization. Scientists are working on an eco-friendly, lead-free organic perovskite material. This study proposes a lead-free perovskite solar cell with CH3NH3SnI3 absorber layer, Cu2O as the best HTL output, FTO as TCO, and ZnO as ETL. SCAPS software is used for optimization and performance optimization. Different solar cell parameters, such as absorber layer thickness, doping concentration of the absorber layer, defect density of the absorber layer, and HTL and ETL thickness, were examined in order to determine the ideal solar cell device. With V OC = 0.98 V, J sc = 31.93 mA/cm 2 , and FF= 84.34%, the maximum power conversion efficiency of 27.66% is achieved. These modeling results could be useful in the development of low-cost, highly effective perovskite solar cells.

 perovskite solar cell SCAPS-1D CH3NH3SnI3 HTL variation ETL layer absorbed layer. Full Text

Perovskite solar cells have shown success in photovoltaics, but further improvements are needed. Lead-based organic-inorganic hybrid perovskites have potential, but toxicity issues prevent commercialization. Scientists are working on an eco-friendly, lead-free organic perovskite material. This study proposes a lead-free perovskite solar cell with CH3NH3SnI3 absorber layer, Cu2O as the best HTL output, FTO as TCO, and ZnO as ETL. SCAPS software is used for optimization and performance optimization. Different solar cell parameters, such as absorber layer thickness, doping concentration of the absorber layer, defect density of the absorber layer, and HTL and ETL thickness, were examined in order to determine the ideal solar cell device. With VOC= 0.98 V, Jsc= 31.93 mA/cm2, and FF= 84.34%, the maximum power conversion efficiency of 27.66% is achieved. These modeling results could be useful in the development of low-cost, highly effective perovskite solar cells.