Efficiency enhancement of thin-film solar cell by implementation of double-absorber and BSF layers: the effect of thickness and carrier concentration

A back surface field CIGS multilayer solar cell structure is simulated by SCAPS 1D, in which a CZTSSe layer is added between BSF and CIGS layers as a second absorber layer. To achieve the best performance for the proposed structure, the thickness of different layers and the related carrier concentra...

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Bibliographic Details
Published in:Journal of computational electronics 2022-06, Vol.21 (3), p.675-683
Main Authors: Moghadam Ziabari, Seyed Ashkan, Abdolahzadeh Ziabari, Ali, Mousavi, S. J.
Format: Article
Language:English
Subjects:
Absorbers
Carrier density
Copper indium gallium selenides
Efficiency
Electrical Engineering
Electrons
Energy conversion efficiency
Engineering
Mathematical and Computational Engineering
Mathematical and Computational Physics
Mechanical Engineering
Multilayers
Optical and Electronic Materials
Photovoltaic cells
Simulation
Solar cells
Theoretical
Thickness
Thin films
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Summary:A back surface field CIGS multilayer solar cell structure is simulated by SCAPS 1D, in which a CZTSSe layer is added between BSF and CIGS layers as a second absorber layer. To achieve the best performance for the proposed structure, the thickness of different layers and the related carrier concentration varied. The 1 µm and 0.05 µm thickness for CZTSSe and CIGS leads to the best performance of the device. The optimum thickness for the rest of layers is also calculated. The effect of the carrier concentration on the performance of the proposed solar cell is also studied. After optimization, a solar cell with a privileged power conversion efficiency of 35.1% was achieved.
ISSN:1569-8025
1572-8137
DOI:10.1007/s10825-022-01878-w