Numerical modeling of copper indium disulfide thin film based solar cells
Source abstract
Abstract
Abstract In this work we have modeled CuInS2 based solar cells. CuInS2 is a p-type semiconductor which is used as an absorber layer in the heterojunction thin film solar cell ZnO:Al/i-ZnO/CdS/CuInS2/Mo. Numerical modeling was done by SCAPS-1D. The simulation focuses on studying several effects on photovoltaic parameters; open circuit voltage, density of short circuit, fill factor and efficiency. In a first step we have studied temperature effect; the performance of the cell decreased because of the decrease of open circuit voltage due to the rise of reverse current, in the other hand the fill factor increases at high temperature which is the same behavior of Silicon based solar cells. Thickness of the absorber layer has been varied too, 2.5 μm of thickness is the optimum value chosen instead of higher thickness in order to have a compromise between cost and efficiency. After that we decided to design a Cadmium free cell by replacing Cadmium Sulfide (CdS) layer with Tin Disulfide (SnS2). However, cadmium layer showed better efficiency than SnS2. Then we discussed the importance of back surface field layer (Cu2O), whom insertion leads to improve the efficiency to 22.73% compared to the efficiency obtained by the conventional structure 12.64%.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Chalcogenide Semiconductor Thin Films · Silicon and Solar Cell Technologies · Semiconductor materials and interfaces
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (34)
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