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<p>As per the study, a solar cell free from harmful toxins has been developed and modeled. The research presents a novel approach to mitigate the use of toxic materials such lead and cadmium. The design structure comprises of fluorine doped tin oxide/molybdenum ditelluride/copper zinc tin selenide/nickel oxide/gold (FTO/MoTe<sub>2</sub>/CZTSe/NiO/Au). The absorber layer is CZTSe (copper zinc tin selenide), the hole transport layer (HTL) is NiO, and the electron transport layer (ETL) is MoTe<sub>2</sub>. Hereabout doping concentration, defect density, and thickness of absorber layer are among the factors that have been carefully tuned to enhance the working of the solar cell. Further, it is discussed how series and shunt resistance influence the device operation. The FTO/MoTe<sub>2</sub>/CZTSe/NiO/Au solar cell has achieved an impressive efficiency of 32.32% with fill factor (FF) of 80%, open circuit voltage (V<sub>oc</sub>) 0.85&#xa0;V, and short circuit current (J<sub>sc)</sub> 47.45&#xa0;mA/cm<sup>2</sup> at 1200&#xa0;nm thickness of the absorber layer. Finally, the achieved result has also been compared with different CZTSe based experimental and theoretical work.</p>

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Numerical simulation of non-toxic CZTSe-based solar cell for its enhanced performance

  • 期刊论文

  • 发表日期：

    2025年3月21日

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  • Nancy Srivastava,
  • Anupam Srivastava,
  • Gopal Ji,
  • Manvandra Kumar Singh,
  • Manjari Shukla

摘要

As per the study, a solar cell free from harmful toxins has been developed and modeled. The research presents a novel approach to mitigate the use of toxic materials such lead and cadmium. The design structure comprises of fluorine doped tin oxide/molybdenum ditelluride/copper zinc tin selenide/nickel oxide/gold (FTO/MoTe2/CZTSe/NiO/Au). The absorber layer is CZTSe (copper zinc tin selenide), the hole transport layer (HTL) is NiO, and the electron transport layer (ETL) is MoTe2. Hereabout doping concentration, defect density, and thickness of absorber layer are among the factors that have been carefully tuned to enhance the working of the solar cell. Further, it is discussed how series and shunt resistance influence the device operation. The FTO/MoTe2/CZTSe/NiO/Au solar cell has achieved an impressive efficiency of 32.32% with fill factor (FF) of 80%, open circuit voltage (Voc) 0.85 V, and short circuit current (Jsc) 47.45 mA/cm2 at 1200 nm thickness of the absorber layer. Finally, the achieved result has also been compared with different CZTSe based experimental and theoretical work.