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Effect Of pH Variation on Size and Structure of Undoped and Doped ZnS (With AL&Ni) Nano Particles

Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 9)

Publication Date:

Authors : ; ;

Page : 510-517

Keywords : Nanoparticles; XRD; SEM; TEM; HRTEM; XRF;

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Undoped and doped ZnS (with Al and Ni) nanoparticles have been successfully synthesized by chemical route at room temperature by using Polyvinyl Alcohol matrix. The nano particles have been characterized by using X-ray diffraction (XRD), UV-Visible and Photo-luminescence (PL) spectroscopy, Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM). The structural properties of the nanoparticles are determined by XRD, TEM and their Optical properties by UV-Visible and PL (photoluminescence) analysis. Surface morphology is studied with the help of Scanning Electron Microscope (SEM). Average particle size of Zns, Zns-Al& ZnS-Ni are found to be 2.48 nm at different pH value. Pl peaks for Zns, Zns-Al and ZnS-Ni nano particles at different values of PH show significant difference. Optical absorption spectra with different values of PH show a strong absorption with a tendency towards blue shift. SAED show a set of three well defined rings.

Last modified: 2021-06-30 21:07:44