Abstract
Abstract The study was focused on to prepare transitions semiconducting material of Cu doped ZnS NPs from various concentrations (2.5, 5.0, 7.5, and 10%) of ZnS nanoparticle through the sol–gel method. The optical, electrical, and morphological properties of synthesized nanoparticles were studied by different categorisation methods such as XRD, FTIR, and EDAX. The crystalline property and phase clarity of the product was investigated by XRD analysis and found that the phase pure cubic structure of ZnS without any secondary phases. The functional property of the product was studied by FTIR analysis. The morphology and chemical composition were examined by microscopic analysis (TEM) and EDAX spectrum, respectively, and found that the typical particle size is around 10 nm and the presence of a meager atomic percentage of Cu. The energy gap of the material is investigated by optical analysis using the Kubelka-Munk function. The energy gap is significantly varied from 2.26 eV to 3.05 eV as rise in Cu dosage from 2.5% to 10%. Photoluminescence analysis reveals that the wide range of tunable release from the blue to green regions of Cu doped ZnS NPs.
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