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Perovskite solar cells (PSCs) have made significant advancements in efficiency and technology, positioning them as a promising option for future photovoltaic systems. This study explores the effects of the absorbent layer composition on the power conversion efficiency (PCE) of PSCs structured as ITO/ZnO/CH3NH3SnI3/CuSCN/Au. Through the employment of the simulator tool, we meticulously optimized the thicknesses of the structural layers to enhance device efficiency. The perovskite solar cells based on CH3NH3SnI3 have demonstrated that the ideal thicknesses are 0.03 µm for the ZnO layer and 0.8 µm for the perovskite CH3NH3SnI3 absorber layer, resulting in a PCE of 20.17%, an open-circuit voltage (Voc) of 0.8378 V, a short-circuit current density (Jsc) of 34.18 mA/cm2 and a fill factor (FF) of 70.45%. Furthermore, this study underscores the significant impact of temperature on solar cell performance, with lower temperatures enhancing PCE. These results highlight the critical need of absorber layer selection in PSC design, especially underlining the advantages of using materials with lower energy gaps for enhanced electrical properties and general device performance.

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Performance Assessment of Organometal Halide CH3NH3SnI3 in PSCs Using SCAPS-1D Simulator

  • 会议论文

  • 发表日期：

    2025年

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  • Syed M. Hasnain,
  • Abid Iqbal,
  • Irfan Qasim,
  • M. Amin Mir,
  • Minakshi Memoria

摘要

Perovskite solar cells (PSCs) have made significant advancements in efficiency and technology, positioning them as a promising option for future photovoltaic systems. This study explores the effects of the absorbent layer composition on the power conversion efficiency (PCE) of PSCs structured as ITO/ZnO/CH3NH3SnI3/CuSCN/Au. Through the employment of the simulator tool, we meticulously optimized the thicknesses of the structural layers to enhance device efficiency. The perovskite solar cells based on CH3NH3SnI3 have demonstrated that the ideal thicknesses are 0.03 µm for the ZnO layer and 0.8 µm for the perovskite CH3NH3SnI3 absorber layer, resulting in a PCE of 20.17%, an open-circuit voltage (Voc) of 0.8378 V, a short-circuit current density (Jsc) of 34.18 mA/cm2 and a fill factor (FF) of 70.45%. Furthermore, this study underscores the significant impact of temperature on solar cell performance, with lower temperatures enhancing PCE. These results highlight the critical need of absorber layer selection in PSC design, especially underlining the advantages of using materials with lower energy gaps for enhanced electrical properties and general device performance.