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DBS investigation on films of cobalt chloride doped PVA-PVP blend

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, , Citation Preeti B Hammannavar et al 2015 J. Phys.: Conf. Ser. 618 012034 DOI 10.1088/1742-6596/618/1/012034

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blaise.lobo@gmail.com

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1 Department of Physics, Karnatak Science College, Karnatak University, Dharwad 580001, Karnataka, India

2 Department of Physics, Karnatak University, Dharwad 580003, Karnataka, India

3 Department of Physics, Mangalore University, Mangalore 574199, Karnataka, India

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1742-6596/618/1/012034

Abstract

Films of Cobalt Chloride (CoCl2) doped polyvinylalcohol(PVA)- polyvinylpyrrolidone(PVP) blend (doped from 0.5 wt% up to 28 wt%) were prepared by solution casting, and characterized by XRD, DSC, UV-Visible Spectrometry TGA, FTIR and electrical measurements. In this paper, the results of Doppler Broadening Spectroscopy (DBS) in CoCl2 doped PVA-PVP blend is discussed. An increase in crystallinity of PVA-PVP blend, is observed, on doping it with CoCl2. The DBS results are complemented by XRD and DSC scans.

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10.1088/1742-6596/618/1/012034