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<p>With regard to the latest generation of PV technologies, Perovskite solar cell (PSC) research is the most popular field due to its exceptional power/ energy conversion efficiency (PCE). These devices have astonishingly outperformed their rivals' organic and dye-sensitized photovoltaic cells in terms of performance. The active/absorbing layer, the hole transport material (HTL) &amp; the electron transport material (ETL) are the key factors influencing a PSC's performance. This study presents a comparison of two HTLs, copper thiocyanate (CuSCN) and copper oxide (CuO), and two active/absorbing layers, CH<sub>3</sub>NH<sub>3</sub>Pb(I<sub>1−x</sub>Br<sub>x</sub>)<sub>3</sub> and CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3−x</sub>Cl<sub>x</sub>, utilising the same ETL, TiO<sub>2</sub>. A solar cell’s PCE and overall characteristics are influenced by its thickness, doping levels, and interfacial defect density. CuSCN is used as the HTL and CH<sub>3</sub>NH<sub>3</sub>Pb(I<sub>1−x</sub>Br<sub>x</sub>)<sub>3</sub> serves as the perovskite layer in the design of perovskite cells. The results are promising with V<sub>oc</sub> = 1.4&#xa0;V, PCE = 28.32%, FF = 85.88% &amp; J<sub>sc</sub> of 23.55&#xa0;mA/cm<sup>2</sup>.</p>

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Effective perovskite solar cell design employing mixed halide and copper thiocyanate

  • 期刊论文

  • 发表日期：

    2025年6月12日

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  • Divya Sharma,
  • Rajesh Mehra,
  • Balwinder Raj

摘要

With regard to the latest generation of PV technologies, Perovskite solar cell (PSC) research is the most popular field due to its exceptional power/ energy conversion efficiency (PCE). These devices have astonishingly outperformed their rivals' organic and dye-sensitized photovoltaic cells in terms of performance. The active/absorbing layer, the hole transport material (HTL) & the electron transport material (ETL) are the key factors influencing a PSC's performance. This study presents a comparison of two HTLs, copper thiocyanate (CuSCN) and copper oxide (CuO), and two active/absorbing layers, CH3NH3Pb(I1−xBrx)3 and CH3NH3PbI3−xClx, utilising the same ETL, TiO2. A solar cell’s PCE and overall characteristics are influenced by its thickness, doping levels, and interfacial defect density. CuSCN is used as the HTL and CH3NH3Pb(I1−xBrx)3 serves as the perovskite layer in the design of perovskite cells. The results are promising with Voc = 1.4 V, PCE = 28.32%, FF = 85.88% & Jsc of 23.55 mA/cm2.