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ZnS nanomaterials were effectively synthesized by the chemical co-precipitation method by using Zinc Acetate (Zn (CH 3 COO) 2 ·2H 2 O), sodium sulfide (Na 2 S) and Poly Vinyl Pyrollidine (PVP) as precursor materials. The reactions were carried out at ambient temperature. The X-ray diffraction (XRD) studies confirmed the cubic zinc blende shape of ZnS. Surface morphology of the prepared material was analyzed by scanning electron microscopic (SEM) and transmission electron microscopic (TEM) techniques. The average particle size of the ZnS is found to be around 2 to 3 nm. Optical studies were carried out to calculate band gap energy by using UV-visible spectroscopy. The band gap energy of prepared ZnS nanoparticles is found to be as 3.7 eV.

Synthesis and Characterization of ZnS Nanoparticles by Chemical Co-precipitation Method