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Synthesis, Characterization and Conductance Properties of Cobalt Chloride Doped Polyvinyl Alcohol / Polythiophene (PVA-Co-Pth) Nanocomposite Films

Anand Patil, Department of Chemistry, P D A College of Engineering, Aiwan-E- shahi Road, Kalaburagi, Karnataka-585 102, India., Nirdosh Patil, Department of Chemistry, Sharnbasva University, Vidya Nagar, Kalaburagi, Karanataka-585 103, India.
2022 Journal of materials science and surface engineering  

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Polyvinylalcohol-Co-polythiophene (PVA-Co-PTh) composite polymer films were produced by chemical polymerization. Cobalt chloride CoCl2. 6H2O was applied on various levels as doping (0.2, 0.4, 0.6 and 0.8g). The produced films were characterized by TEM (transmission electron microscopy), UV-Visible spectroscopy, IR (Infra red spectroscopy), SEM (scanning electron microscope), XRD (Xray diffraction), d.c electrical conductivity, and dielectric constant measurements. The optical properties of all
more » ... nvestigated films were analyzed, when the optical absorption of the prepared films reduces with raising the amount of CoCl2.6H2O in UV (200-400nm) & VIS (500-700nm) regions. It is evident from the XRD patterns of the PVA-Co-PTh samples that the intensity of the peaks of diffraction rises with the rise in cobalt chloride content owing to the semi crystalline of the resulting Co (II) doped PVA/PTh compositions. These findings are comparable with morphological variations seen in the PVA-Co-PTh samples, as per the TEM and SEM analysis. The increase in conductivity with increase in Co (II) concentration up to 0.8g of CoCl26H2O has been observed in PVA-Co-PPy composites and the dielectric constant tends to increase with the increment infrequency as well as with enhancement in Co (II) composition.
doi:10.52687/2348-8956/912 fatcat:3u4qtat7tbeqpmevfdho6mngoa
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Anand Patil, Department of Chemistry, P D A College of Engineering, Aiwan-E- shahi Road, Kalaburagi, Karnataka-585 102, India., Nirdosh Patil, Department of Chemistry, Sharnbasva University, Vidya Nagar, Kalaburagi, Karanataka-585 103, India.. "Synthesis, Characterization and Conductance Properties of Cobalt Chloride Doped Polyvinyl Alcohol / Polythiophene (PVA-Co-Pth) Nanocomposite Films." Journal of materials science and surface engineering 9.1 (2022) 1051-1056