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<p>Recent research has put the spotlight on PSCs (perovskite solar cells) where leads are not present, because they’re better for the environment and have impressive photovoltaic features. Though, the lead-based options like MAPbI₃ are high performers, but their toxicity is a big drawback. In this study, we’re introducing Ba<sub>3</sub>PCl<sub>3</sub> as a new, non-toxic absorber material to tackle those environmental worries while keeping strong optoelectronic properties. To boost efficiency, we checked out different electron transport layers (ETLs), and it turns out cerium oxide (CeO<sub>2</sub>) performed best for improving carrier extraction and reducing recombination. We modelled and optimized the device architecture using SCAPS-1D, focusing on things like absorber thickness and defect density. A comprehensive parametric sweep showed that fine-tuning these factors really makes a difference in device performance. The top configuration achieved a J<sub>SC</sub> (short circuit current density) equal to 43.35&#xa0;mA/cm<sup>2</sup>, a V<sub>OC</sub> (open circuit voltage) equal to 0.7059&#xa0;V, a FF (fill factor) equal to 82.92%, and a PCE (power conversion efficiency) equal to 25.38%.</p>

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Tailoring Ba3PCl3-based perovskite solar cells via multi-parameter optimization for high power conversion efficiency

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月27日

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  • Sagar Bhattarai,
  • Roshni Banthia,
  • Abhinav Kumar,
  • Ahmet Sait Alali,
  • D. K. Dwivedi,
  • Bhaben Tanti,
  • Madhusudan Maiti,
  • Suddhendu DasMahapatra

摘要

Recent research has put the spotlight on PSCs (perovskite solar cells) where leads are not present, because they’re better for the environment and have impressive photovoltaic features. Though, the lead-based options like MAPbI₃ are high performers, but their toxicity is a big drawback. In this study, we’re introducing Ba3PCl3 as a new, non-toxic absorber material to tackle those environmental worries while keeping strong optoelectronic properties. To boost efficiency, we checked out different electron transport layers (ETLs), and it turns out cerium oxide (CeO2) performed best for improving carrier extraction and reducing recombination. We modelled and optimized the device architecture using SCAPS-1D, focusing on things like absorber thickness and defect density. A comprehensive parametric sweep showed that fine-tuning these factors really makes a difference in device performance. The top configuration achieved a JSC (short circuit current density) equal to 43.35 mA/cm2, a VOC (open circuit voltage) equal to 0.7059 V, a FF (fill factor) equal to 82.92%, and a PCE (power conversion efficiency) equal to 25.38%.