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<p>Perovskite solar cells (PSCs) offer high efficiency and low production costs but still stability challenges hinder their commercial viability. This study introduces a unified multi-stress computational framework using OghmaNano to optimize perovskite cell architectures under concurrent thermal and optical loads. By tuning the methylammonium and formamidinium ratios and optimizing mixed halide compositions with adjustment in transport layer thicknesses, we achieved a simulated power conversion efficiency (PCE) of 29.75%. The optimized device retained 96% of its initial efficiency after 1,000&#xa0;h of continuous stress testing. This coupled modeling approach provides a rigorous roadmap for physical fabrication and demonstrating how integrated electronic and structural optimizations can maximize both performance and operational longevity in next-generation photovoltaics.</p>

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Enhancing the stability and efficiency of perovskite solar cells by optimization of electrical parameter under thermal and optical stress

  • 期刊论文

  • 发表日期：

    2026年5月19日

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  • Shreeyan Rijal,
  • Nabin Sah,
  • Priyanshu Chaudhary,
  • Vinaya Kumar Jha

摘要

Perovskite solar cells (PSCs) offer high efficiency and low production costs but still stability challenges hinder their commercial viability. This study introduces a unified multi-stress computational framework using OghmaNano to optimize perovskite cell architectures under concurrent thermal and optical loads. By tuning the methylammonium and formamidinium ratios and optimizing mixed halide compositions with adjustment in transport layer thicknesses, we achieved a simulated power conversion efficiency (PCE) of 29.75%. The optimized device retained 96% of its initial efficiency after 1,000 h of continuous stress testing. This coupled modeling approach provides a rigorous roadmap for physical fabrication and demonstrating how integrated electronic and structural optimizations can maximize both performance and operational longevity in next-generation photovoltaics.