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<p>Recently, photovoltaics have attracted the interest of academics worldwide as the most reliable renewable source for satisfying future energy requirements. The solar cell made of perovskite layer materials has distinct properties and electrical characteristics that make them one of the leading candidates for future generations of photovoltaic technology. In this work, the numerical modeling with ATLAS-SILVACO software is used to examine the effects of various physical and geometrical parameters of a proposed dual layer perovskite solar cells ITO/ZnO/P3HT-PC61BM/MAPbI<sub>3</sub>/MASnI<sub>3</sub>/Spiro-OMETAD/gold with the objective of improving the efficiency and maximizing the device’s performance. The simulation results of this structure were examined by adjusting materials, doping, the thickness of certain layers (ETL, HTL, absorber layer), and temperature, excellent results were achieved for the proposed perovskite solar cell as: Efficiency E<sub>FF</sub> (%) = 34.97, fill factor FF (%) = 74.46, short-circuit current Jsc (mA/cm²) = 50.5, open-circuit voltage Voc (V) = 0.92, maximum power Pm (mW/cm²) = 34.9, maximum voltage Vm (V) = 0.79, maximum current Im (mA/cm²) = 43.7.</p>

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Numerical investigation of lead-free dual-absorber perovskite solar cells through material and structural optimization

  • 期刊论文

  • 发表日期：

    2026年6月26日

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  • Bourahla Nassima,
  • Habbouche youssra,
  • Tifoura Nabila

摘要

Recently, photovoltaics have attracted the interest of academics worldwide as the most reliable renewable source for satisfying future energy requirements. The solar cell made of perovskite layer materials has distinct properties and electrical characteristics that make them one of the leading candidates for future generations of photovoltaic technology. In this work, the numerical modeling with ATLAS-SILVACO software is used to examine the effects of various physical and geometrical parameters of a proposed dual layer perovskite solar cells ITO/ZnO/P3HT-PC61BM/MAPbI3/MASnI3/Spiro-OMETAD/gold with the objective of improving the efficiency and maximizing the device’s performance. The simulation results of this structure were examined by adjusting materials, doping, the thickness of certain layers (ETL, HTL, absorber layer), and temperature, excellent results were achieved for the proposed perovskite solar cell as: Efficiency EFF (%) = 34.97, fill factor FF (%) = 74.46, short-circuit current Jsc (mA/cm²) = 50.5, open-circuit voltage Voc (V) = 0.92, maximum power Pm (mW/cm²) = 34.9, maximum voltage Vm (V) = 0.79, maximum current Im (mA/cm²) = 43.7.