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Crystalline and absorption studies on cadmium sulphide doped polycarbonate composite

In this paper we have studied the preparation of composites of polycarbonate composite by incorporating Cadmium Sulphide(CdS) particles with different concentration. The prepared samples were characterized by the different techniques used like X-ray diffraction (XRD) techniques and UV-visspectroscopy(UV-Vis). The X-Ray diffraction technique gives the information on Crystallinity of the Sample, InterplanerDistance (d) and Crystallite Size (D). When the doping concentration is increased the crystallinity of the sample is increases and Crystallite size(D) is also increases. The UV-Vis spectroscopy technique gives information of Optical Band Gap. The energy band gap of pure polycarbonate is 4.437 eVand as we increase the concentration of cadmium sulphide the energy band gap decreases.