The Preparation and Photocatalytic Activity of Ni-Doped ZnS Nanoparticles

Qiao Feng Han; Guo Zhu Diao; Xiao Heng Liu; Xin Wang

doi:10.4028/www.scientific.net/AMR.148-149.845

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The Preparation and Photocatalytic Activity of Ni-Doped ZnS Nanoparticles

Abstract:

Zinc sulfide nanoparticles as undoped and doped with nickel have been prepared by the reaction of Zn(CH3COO)2 and Ni(CH3COO)2 with potassium O-ethyldithiocarbonate (ethyl xanthate, C2H5OCS2k) at 80 in N, N - dimethylformamide (DMF) solution for 24 h. The structures of the products were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM), and their optical properties were studied by UV-Vis spectroscopy. The photocatalytic experiment by degrading methyl orange in aqueous solution under UV light indicated that the degradation efficiency of Ni (6%)-doped ZnS nanoparticles increased to 75% with comparison to 43% of degradation efficiency for undoped ZnS nanoparticles.