SC04 – Performance Evaluation of Lead-Free Cs2CuSbCl6 Perovskite Solar Cells for > 21.67% Efficiency
This work investigates the performance of Cs2CuSbCl6-based lead-free perovskite solar cells for photovoltaic applications. Cs2CuSbCl6 has a bandgap of 1.7eV and it is a durable and non-toxic material. Cs2CuSbCl6 can absorb more photons and thus obtain high efficiency. This work has been performed using SCAPS-1D software with the focus on optimizing the absorber layer thickness in terms of solar cell performance metrics such as efficiency (η), fill-factor (FF), open-circuit voltage (Voc), and short-circuit current density (Jsc). The highest efficiency of 21.67% has been obtained for the optimized value of the absorber layer thickness of 900 nm, with values of 1.22 V, 21.19 mA/cm2, and 83.19% for Voc, Jsc, and FF respectively. Thus, Cs2CuSbCl6 -based solar cell paves as the safe alternative to lead-based solar cells for photovoltaic applications.
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