Kamal Kumar Kushwah1, 2, Nitendra Kumar Gautam2, Pranav Singh2, and M.Ramrakhiani2
1. Department of Applied Physics, Jabalpur Engineering College, Jabalpur, M.P., India.
2. Department of Post Graduate Studies and Research in Physics and Electronics Rani Durgavati Vishwavidhyalaya, Jabalpur (M.P.)
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The Luminescence properties of ZnSe/PVA and CdSe/PVA were investigated with different Zn2+and Cd2+ content and with different PVA concentrations. These nanocomposite samples were prepared by environmental friendly chemical method. The prepared samples were characterized by using X-Ray Diffraction (XRD), Atomic force microscope (AFM) and photoluminescence (PL).
The X ray diffraction revealed cubic structure of ZnSe/PVA and CdSe/PVA with particle size less than a few nm. Photoluminescence (PL) spectrum shows blue shift as compared to the bulk and intensity is found to increase with reducing particle size.