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Numerical Modeling to Improve the Efficiency of Cadmium Sulfide/Copper Indium Sulfide (CdS/CuInS2) Thin Film-based Solar Cells

Bharati M. Sakunde, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India, Nandu B. Chaure, Shashikant Patole, Sandesh R. Jadkar, Habib. M. Pathan, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India, Department of Physics, Khalifa University of Science and Technology, Abu Dhabi, UAE, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India
2022 ES Energy & Environment  

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In this study, CIS-based devices were simulated and studied their performance by SCAPS (Solar Cell Capacitance Simulator) software. SCAPS is 1-dimensional graphic solar cell simulation software that estimates quantum efficiency, current-voltage characteristics, energy bands, and spectral response by solving Poisson's equations and continuity equations for electrons and holes. The solar cell structure was designed with CdS as an n-layer and CuInS2 as a p-layer for the first simulation and with
more » ... O as a window layer, CdS as a buffer layer, and with CuInS2 absorber layer for the next simulation. The CuInS2 layer thickness was changed from 0.5 to 2 µm, with other layer thicknesses kept constant, viz. 0.5 µm thickness for the CdS layer, which increased the solar cell efficiency from 5.6 to 8.47%. The optimized thickness of CuInS2 obtained was 2 µm. The thickness of ZnO varied from 0.15 to 1 µm, and the rest of the layer thicknesses were kept constant, viz. 2 µm for CuInS2, and 0.5 µm for CdS. An optimized 0.8 µm thickness of ZnO has been obtained with 12.74 % efficiency. The shallow uniform densities for the CuInS2 layer and ZnO layer were optimized to 1 X 10 18 (1/cm 3 ) and 1 X 10 15 (1/cm 3 ).
doi:10.30919/esee8c784 fatcat:uqql3zfypbhd5ivjbtri24inhm
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Bharati M. Sakunde, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India, Nandu B. Chaure, Shashikant Patole, Sandesh R. Jadkar, Habib. M. Pathan, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India, Department of Physics, Khalifa University of Science and Technology, Abu Dhabi, UAE, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India, Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune University, Pune – 411007, India. "Numerical Modeling to Improve the Efficiency of Cadmium Sulfide/Copper Indium Sulfide (CdS/CuInS2) Thin Film-based Solar Cells." ES Energy & Environment (2022)