In copper oxide (CuO) based solar cells, various buffer layers such as CdS, In 2 S 3 , WS 2 and IGZO have been investigated by solar cell capacitance simulator (SCAPS) in this work. By varying absorber and buffer layer thickness, photovoltaic parameters (open circuit voltage, fill factor, short-circuit current density and efficiency) are determined. The highest efficiency achieved is 19.6% with WS 2 buffer layer. The impact of temperature on all CuO-based solar cells is also investigated.
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