Abstract
Copper Zinc Tin Sulfide (CZTS) is a growing semiconductor chalcogenide that has the potential to act as an alternative nontoxic absorber for commercial silicon-based devices in the sustainable photovoltaic conversion of solar energy in the near future. A debut attempt was made to economically fabricate this earth-abundant solar absorber thin film through indigenously designed cost-effective nebulizer assisted chemical spray pyrolysis technique without high-temperature annealing. The deposition was carried out at different spray volumes to modify the thickness of the absorber material directly on a bare soda-lime glass substrate and effect of CZTS film thickness on its structural, morphological, optical and electrical properties were studied by using appropriate characterization techniques. The film with a thickness of 740 nm for a precursor spray volume of 12 ml resulted in CZTS film with better energy conversion characteristics.
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