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<p>This study presents a theoretical investigation performed using SCAPS-1D software on the device structure ITO/PCBM/CH<sub>3</sub>NH<sub>3</sub>PbI<sub>(3-x)</sub>Cl<sub>x</sub>/PbS-EDT/MoO<sub>3</sub>/Au. As the demand for efficient and cost-effective solar technology grows, exploring alternative materials becomes increasingly important. The absorber layer PbS-EDT comprises lead sulfide treated with ethanedithiol, and CH<sub>3</sub>NH<sub>3</sub>PbI<sub>(3-x)</sub>Cl<sub>x</sub> is a mixed halide perovskite. Both materials exhibit outstanding optoelectronic properties and carrier mobility, making them promising candidates for the absorber layer. This work focuses on the roles of the HTL and ETL and their effect on the active layer. Through simulation, the study evaluates how these transport materials influence key performance parameters of a Double Absorber Solar Cell, such as layer thickness, defect density, interface defects, energy bandgap, generation, and recombination rate. Simulation results reveal impressive photovoltaic performance, achieving a V<sub>oc</sub> of 1.20&#xa0;V, J<sub>sc</sub> of 33.16&#xa0;mA/cm<sup>2</sup>, FF of 76.47%, and a PCE of 30.61%. Sustainable development goals (SDGs) of present research. Present research lies under the 7th SDG goal set by the United Nations, which aims to ensure access to affordable, reliable, sustainable, and modern energy for everyone. Since solar energy is a universal source, transforming it into electricity remains a key challenge for scientists. Successfully doing so could provide enough clean energy for the entire global population. In today’s context, perovskite solar cells appear to be a promising option for solar energy technology. Our proposed solar cell design, incorporating perovskite and quantum dots as absorbing materials, has the potential to convert over 30.61% of solar energy into electricity, surpassing current benchmarks in the field.</p>

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Enhanced energy conversion in double absorber solar cells using mixed halide perovskite and PbS-EDT towards 30.61%

  • 期刊论文

  • 发表日期：

    2025年8月28日

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  • Anjali Sharma,
  • Km Pragya Mishra,
  • Brijesh Kumar Pandey

摘要

This study presents a theoretical investigation performed using SCAPS-1D software on the device structure ITO/PCBM/CH3NH3PbI(3-x)Clx/PbS-EDT/MoO3/Au. As the demand for efficient and cost-effective solar technology grows, exploring alternative materials becomes increasingly important. The absorber layer PbS-EDT comprises lead sulfide treated with ethanedithiol, and CH3NH3PbI(3-x)Clx is a mixed halide perovskite. Both materials exhibit outstanding optoelectronic properties and carrier mobility, making them promising candidates for the absorber layer. This work focuses on the roles of the HTL and ETL and their effect on the active layer. Through simulation, the study evaluates how these transport materials influence key performance parameters of a Double Absorber Solar Cell, such as layer thickness, defect density, interface defects, energy bandgap, generation, and recombination rate. Simulation results reveal impressive photovoltaic performance, achieving a Voc of 1.20 V, Jsc of 33.16 mA/cm2, FF of 76.47%, and a PCE of 30.61%. Sustainable development goals (SDGs) of present research. Present research lies under the 7th SDG goal set by the United Nations, which aims to ensure access to affordable, reliable, sustainable, and modern energy for everyone. Since solar energy is a universal source, transforming it into electricity remains a key challenge for scientists. Successfully doing so could provide enough clean energy for the entire global population. In today’s context, perovskite solar cells appear to be a promising option for solar energy technology. Our proposed solar cell design, incorporating perovskite and quantum dots as absorbing materials, has the potential to convert over 30.61% of solar energy into electricity, surpassing current benchmarks in the field.