STRUCTURAL ANALYSIS OF ZINC SULPHIDE NANOPARTICLES SYNTHESIZED VIA WET CHEMICAL ROUTE

Abstract

Nanocystalline of zinc sulphide (ZnS) were synthesized by using wet chemical route with the addition of capping agent. The main objective is to find out the optimum parameters of the wet chemical synthesized ZnS nanophosphor which are including pH, capping agent concentration and refluxing time of the synthesis. The main sources of zinc acetate, natrium sulphide and the capping agent PVP or PVA were prepared in the certain ratio and mixed together inside the three neck flask. The pH of solution was adjusted by the drop wise addition of natrium hydroxide that expected contribute to the formation of nanoparticles. The preparation of sample was done at room temperature, where the natrium sulphide is mix slowly into the solution under vigorous stirring. Effect of refluxing time and capping agent composition were studied. The final product of ZnS nanoparticles were characterized by XRD analysis to obtain the structure phases, SEM and EDX analysis to obtain the microstructures and elemental composition inside the samples. From the XRD results was calculated the crystallite size of ZnS nanoparticles which is in the range of 5.92 to 6.78 nm.