Abstract
Adherent and uniform films of ZnS and ZnS:Ni were deposited reproducibly by Dip coating method onto a glass substrate, under acidic conditions from solutions containing Zinc Nitrate, Nickel Nitrate, Ammonium Nitrate, Sodium citrate, thiourea and distilled water. The growth of ZnS thin films on glass substrates have been thoroughly investigated by SEM, EDAX and X- ray diffraction techniques. The grain sizes (D) of crystallites were estimated using the Scherrer’s formula. Depending on selection of precursors and presence of dopant, ZnS and ZnS films can be of Sphalenite or wurtzite structure. The effect of the dopant on the crystallinity and surface morphology of ZnS thin films have been studied. The surface morphology, which has been evaluated by scanning electron microscope (SEM), shows a relatively flat and uniform surface.
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