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The growing demand for sustainable energy has intensified research efforts in developing high-efficiency thin-film photovoltaic (TFPV) technologies as alternatives to conventional silicon-based solar cells. Among these, quaternary compound semiconductors like Cu₂MnSnS₄ (CMTS) have garnered attention for their tunable direct bandgap, cost-effectiveness, and environmentally benign composition. This study presents a comprehensive 3D simulation of CMTS thin-film solar cells, leveraging SnS as a back surface field (BSF) layer and CdS as an electron transport layer (ETL) to optimize performance. Using COMSOL Multiphysics, the research provides electrical analyses to understand the interplay between different physical parameters. The simulation achieves a power conversion efficiency (PCE) of 31.83%, with short-circuit current density (JSC) of 27.00 mA/cm2, open-circuit voltage (VOC) of 1.31 V, and a fill factor (FF) of 90%. The SnS BSF enhances charge separation and reduces recombination, boosting performance. This work offers the first 3D simulation of CMTS solar cells utilizing electrical system, providing key insights for advancing non-toxic, cost-effective solar technologies .

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Performance Analysis of Electrical Properties of CMTS Solar Cell Using 3D Simulations

  • 会议论文

  • 发表日期：

    2026年

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  • Sayed Hasan Murad,
  • Md Kabiruzzaman,
  • Mohammad Nasir Uddin,
  • Abu Kowsar,
  • Syed Farid Uddin Farhad

摘要

The growing demand for sustainable energy has intensified research efforts in developing high-efficiency thin-film photovoltaic (TFPV) technologies as alternatives to conventional silicon-based solar cells. Among these, quaternary compound semiconductors like Cu₂MnSnS₄ (CMTS) have garnered attention for their tunable direct bandgap, cost-effectiveness, and environmentally benign composition. This study presents a comprehensive 3D simulation of CMTS thin-film solar cells, leveraging SnS as a back surface field (BSF) layer and CdS as an electron transport layer (ETL) to optimize performance. Using COMSOL Multiphysics, the research provides electrical analyses to understand the interplay between different physical parameters. The simulation achieves a power conversion efficiency (PCE) of 31.83%, with short-circuit current density (JSC) of 27.00 mA/cm2, open-circuit voltage (VOC) of 1.31 V, and a fill factor (FF) of 90%. The SnS BSF enhances charge separation and reduces recombination, boosting performance. This work offers the first 3D simulation of CMTS solar cells utilizing electrical system, providing key insights for advancing non-toxic, cost-effective solar technologies .