Abstract
The compact and uniform Zinc Sulphide (ZnS) thin films were prepared by using chemical bath deposition (CBD) and ultrasonic chemical bath deposition (UCBD) techniques. Zinc Sulphate and Thiourea are used as precursors, whereas hydrazine hydrate played the role of complexant. The samples were further characterized to study physical, structural, optical, morphological, and compositional properties. XRD results confirmed the formation of nanocrystalline ZnS thin films with cubic structure. Optical absorption and photoluminescence study revealed the bandgap and defect levels present in the sample prepared by UCBD and CBD technique. Compact, very well adhesive films close to stoichiometry are obtained by both the techniques.
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