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Cu-poor chalcostibite CuSbS2 thin films for inverted photovoltaic applications by Sripan Chinnaiyah; Devarajan Alagarasan; R. Ganesan; R. Ramesh Babu is a Materials Science article available to read on EtoBox.

What is Cu-poor chalcostibite CuSbS2 thin films for inverted photovoltaic applications about?

In the present work, thermally evaporated Cu-poor CuSbS 2 (Copper antimony disulphide-CAS) thin films are prepared with the precursor of Cu-poor CuSbS 2 alloys. X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, field emission scanning electron microscopy, and UV-Visible spectroscopy have been used to characterise the prepared films to determine their potentiality as absorber layer materials for photovoltaic applications. By replacing the standard window layer of i-ZnO (intrinsic-zinc oxide) with one-dimensional (1D) n-type TiO 2 (titanium dioxide) and an active layer of stoichiometry-adjusted CAS, we investigated the effect of architecture on photovoltaic (PV) performance. Solar cells with Cu-poor and stoichiometric-adjusted CAS absorbers have a V oc of 189 mV and a J sc of 0.737 mA/cm 2 . The designed solar cell device with the structure FTO/TiO 2 /CdS/CAS/Al has a power conversion efficiency (PCE) of > 1%.

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Author

Sripan Chinnaiyah; Devarajan Alagarasan; R. Ganesan; R. Ramesh Babu

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)