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Numerical Modeling and Optimization of ZnO:Al/iZnO/ZnMgO/CZTS Photovoltaic Solar Cell
Ist Teil von
Transactions on Electrical and Electronic Materials, 2021, 22(5), , pp.666-672
Ort / Verlag
Seoul: The Korean Institute of Electrical and Electronic Material Engineers (KIEEME)
Erscheinungsjahr
2021
Link zum Volltext
Quelle
SpringerLink
Beschreibungen/Notizen
The present study is concerned with the use of ZnMgO alloys as a potential replacement of the toxic CdS compound for the buffer layer in a ZnO/ZnMgO/CZTS solar cell structure. Simulations on the effect of the thickness of each layer constituting the solar cell have been performed using SCAPS simulator. The optimal values of these thicknesses corresponding to the best conversion efficiency have been determined. The obtained results are found to be 0.02, 0.02, 0.02 and 2 μm for ZnO:Al, ZnO, ZnMgO, and CZTS, respectively and give a conversion yield of 21.86% which compare well with the previous findings quoted in literature. Furthermore, the effect of the band gap energy of CZTS has been addressed. The best performance of our cell corresponds to a CZTS band gap energy in the vicinity of 1.4 eV.