Performance investigation of double absorber based thin film solar cell with MoS₂ and WS₂ as absorber layers

Abstract This work uses a double absorber layer structure where Molybdenum disulfide (MoS 2 ) and Tungsten disulfide (WS 2 ) are used as the upper absorber layer and bottom absorber layer, respectively. Solar cell performance is investigated by varying the thickness of absorber layers, the concentration variation of the buffer layer and the absorber layer, interface defects, series and shunt resistance variation and operating temperature variation. It is observed that the use of a double absorber layer leads to better absorption of radiation and reduces the effect of thermalisation, resulting in improved efficiency of the cell. A high-power conversion efficiency of 26.59% is obtained in the proposed structure of a double absorber solar cell. For the simulation of the proposed model, SCAPS-1D simulation software is used. The work provides a path for experimental studies to obtain a thin film solar cell of good efficiency