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<p>In this study, we explored the characteristics of FTO/TiO<sub>2</sub>/ZnO/MASnI<sub>3</sub>/MAPbI<sub>3</sub>/Au solar cells through SCAPS-1D modeling. Initially, we focused on modeling a conventional solar cell based on a CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> layer, a bilayer Electron Transport Layer, and a Spiro-OMETAD Hole Transport Layer. The model was based on experimental data and demonstrated excellent concordance, yielding a PCE of approximately 17.17%, closely aligning with reported literature values. The primary studied structure was meticulously designed and thoroughly evaluated using the SCAPS-1D simulator, aiming to uncover its potential for achieving outstanding performance metrics. Key parameters, including thickness, doping concentration, and defect density of MAPbI<sub>3</sub> and MASnI<sub>3</sub> layers were investigated and systematically optimized. These optimizations enabled us to achieve an unprecedented efficiency of 41.06%. Furthermore, this study underscores the pivotal role of interface engineering and material quality enhancement in optimizing solar cell performance and highlights pathways to further improve the efficiency and stability of PSCs.</p>

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Simulation and optimization of MAPbI3/MASnI3 heterojunction solar cell perovskite with double ETL by SCAPS-1D Software

  • 期刊论文

  • 发表日期：

    2025年4月12日

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  • Khadija Boughanbour,
  • Mustapha Sahal,
  • Essaadia Oublal,
  • Naveen Kumar,
  • Youssef Belkassmi,
  • Abdelhadi Kotri

摘要

In this study, we explored the characteristics of FTO/TiO2/ZnO/MASnI3/MAPbI3/Au solar cells through SCAPS-1D modeling. Initially, we focused on modeling a conventional solar cell based on a CH3NH3PbI3 layer, a bilayer Electron Transport Layer, and a Spiro-OMETAD Hole Transport Layer. The model was based on experimental data and demonstrated excellent concordance, yielding a PCE of approximately 17.17%, closely aligning with reported literature values. The primary studied structure was meticulously designed and thoroughly evaluated using the SCAPS-1D simulator, aiming to uncover its potential for achieving outstanding performance metrics. Key parameters, including thickness, doping concentration, and defect density of MAPbI3 and MASnI3 layers were investigated and systematically optimized. These optimizations enabled us to achieve an unprecedented efficiency of 41.06%. Furthermore, this study underscores the pivotal role of interface engineering and material quality enhancement in optimizing solar cell performance and highlights pathways to further improve the efficiency and stability of PSCs.