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<p>With the marriage of perovskite and Si solar cells, a tandem device configuration is able to achieve a PCE exceeding the Shockley–Queisser limit of single-junction solar cells by enhancing the usage of solar spectrum A tandem solar cell, combining perovskite and silicon, was constructed. This involved depositing a thin perovskite film, acting as the light-absorbing layer, onto a titanium dioxide window layer. The cell's optical, structural, and electrical properties were then analyzed. The perovskite film demonstrated p-type conductivity and a band gap of 1.92&#xa0;eV. Structural analysis revealed a primary diffraction peak at 28 degrees, corresponding to a d-spacing of roughly 3.10574&#xa0;Å. Electrical testing showed an open-circuit voltage (Voc) of 516&#xa0;mV and a short-circuit current density (Jsc) of 45.17&#xa0;mA/cm<sup>2</sup>. The cell exhibited a fill factor (FF) of approximately 26%, resulting in an overall power conversion efficiency of 5.96%, which were obtained using a solar cell testing system.</p>

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Fabrication and characterization study of a tandem solar cell

  • 期刊论文

  • 发表日期：

    2025年5月29日

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  • Ali Zamil Manshad

摘要

With the marriage of perovskite and Si solar cells, a tandem device configuration is able to achieve a PCE exceeding the Shockley–Queisser limit of single-junction solar cells by enhancing the usage of solar spectrum A tandem solar cell, combining perovskite and silicon, was constructed. This involved depositing a thin perovskite film, acting as the light-absorbing layer, onto a titanium dioxide window layer. The cell's optical, structural, and electrical properties were then analyzed. The perovskite film demonstrated p-type conductivity and a band gap of 1.92 eV. Structural analysis revealed a primary diffraction peak at 28 degrees, corresponding to a d-spacing of roughly 3.10574 Å. Electrical testing showed an open-circuit voltage (Voc) of 516 mV and a short-circuit current density (Jsc) of 45.17 mA/cm2. The cell exhibited a fill factor (FF) of approximately 26%, resulting in an overall power conversion efficiency of 5.96%, which were obtained using a solar cell testing system.