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<p>A novel type of perovskite solar cell that relies on lead-free, tin-based perovskite shows promise in achieving high power conversion efficiency and exceptional stability in various environments. However, there is a precarious need to enhance its efficiency for practical deployment in solar cell applications. This study investigates into a detailed analysis of lead-free CH<sub>3</sub>NH<sub>3</sub>SnCl<sub>3</sub> utilizing a SCAPS-1D to fine-tune its architecture. By exploring the utilization of Cu<sub>2</sub>O and ZnO as hole and electron transport layer materials respectively, efforts aim to strengthen the overall PCE of the solar cell. Numerous factors were taken into account, including the layer thickness, electron affinity, doping concentration, defect density of the absorber layer, HTL, ETL, and the rear metal work function. Through a comprehensive parametric study, the optimized parameters were determined, resulting in a J<sub>SC</sub> of 10.23 mA·cm<sup>−2</sup>, V<sub>OC</sub> of 2.05 V, a FF of 93.12%, and a PCE of 19.55%. This improved efficiency was greater than three times the initial structure’s performance. By conducting numerical simulations on CH<sub>3</sub>NH<sub>3</sub>SnCl<sub>3</sub>, the probability of commercializing this technology can be greatly improved.</p>

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Optimizing CH₃NH₃SnCl₃ solar cell performance: influence of absorber thickness, electron affinity, doping, defects and temperature

  • 期刊论文

  • 发表日期：

    2025年1月29日

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  • Anchal Srivastava,
  • Navina Wadhwani,
  • R. K. Shukla

摘要

A novel type of perovskite solar cell that relies on lead-free, tin-based perovskite shows promise in achieving high power conversion efficiency and exceptional stability in various environments. However, there is a precarious need to enhance its efficiency for practical deployment in solar cell applications. This study investigates into a detailed analysis of lead-free CH3NH3SnCl3 utilizing a SCAPS-1D to fine-tune its architecture. By exploring the utilization of Cu2O and ZnO as hole and electron transport layer materials respectively, efforts aim to strengthen the overall PCE of the solar cell. Numerous factors were taken into account, including the layer thickness, electron affinity, doping concentration, defect density of the absorber layer, HTL, ETL, and the rear metal work function. Through a comprehensive parametric study, the optimized parameters were determined, resulting in a JSC of 10.23 mA·cm−2, VOC of 2.05 V, a FF of 93.12%, and a PCE of 19.55%. This improved efficiency was greater than three times the initial structure’s performance. By conducting numerical simulations on CH3NH3SnCl3, the probability of commercializing this technology can be greatly improved.