Journal
OPTICAL MATERIALS
Volume 119, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.optmat.2021.111314
Keywords
Ternary chalcogenide; CTS; Simulation; SCAPS; Defects
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The study evaluated the photovoltaic performance of ternary chalcogenide Cu2SnS3 (CTS) solar cells, and found that an increase in defect density degrades the cell performance.
Ternary Chalcogenide Cu2SnS3 (CTS) has emerged as a potential candidate for light absorbing material for photovoltaic solar cells owing to its tuneable bandgap, abundance in earth's crust and low toxicity. The PV performance of CTS solar cells has been assessed using Solar Cell Capacitance Simulator (SCAPS-1D) in the present study. The influence of defects in ascertaining the CTS solar cells' photovoltaic performance has been described. The impact of various type of defects and their density on V-oc, J(sc), FF and. has been evaluated. Change in energy band diagrams due to change in defect density has been analysed. Quantum Efficiency curves for different defect densities in CTS solar cells have been investigated. The increment in defect density in the CTS absorber has been found to degrade CTS solar cell performance regardless of the type of defect.
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