Abstract
Pure and Ni doped ZnS nanocrystals were synthesized using simple co-precipitation method. The obtained samples were characterized by different techniques such as X-ray diffraction pattern (XRD), transmission electron microscopy (TEM), and Fourier transform infrared (FTIR) spectroscopy. The X-ray diffraction (XRD) analysis confirms that the prepared nanocrystals have a cubic crystal structure. The lattice constant of Zn(1-x)NixS samples was calculated from XRD patterns, which were found to decrease with an increase of Ni content. The morphology of ZnS changed from cubic to spherical –cubic structure after Ni doping. The average crystallite size is in the range of 3-5 nm. The FTIR spectra confirmed the formation of pure and Ni doped ZnS nanocrystals.
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