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  • Chem Sci Trans., 2016, 5(3),  pp 795-802  

    DOI:10.7598/cst2016.1272

    Research Article

    AC Impedance Analysis of PVP:(H2N-C6H4-SO3H) Complexed Polymer Electrolyte Films

  • R. S. DIANA SANGEETHA*, P. THILLAI ARASU, G. HIRAN KUMAR and R. S. DARIES BELLA
  • Department of Chemistry, Vickram College of Engineering, Sivagangai-630 561, India
    Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli, India
    Department of Chemistry, PSN Engineering College, Tirunelveli-627 152, India
    Centre for Scientific and Applied Research, PSN College of Engineering and Technology, Tirunelveli-627152, India
    Physics Research Centre, Department of Physics, St. Xavier's College, Palayamkottai, India
  • Abstract

    A solid polymer electrolyte system based on polyvinyl pyrrolidone (PVP) complexed with amino benzene sulphonic acid isomers have been prepared by solution casting technique. The conductivity measurements were carried out on these films as a function of frequency at various temperatures. The complex impedance spectroscopy results reveal that the high-frequency depressed semicircle is due to the bulk effect of the material. The conductivity is enhanced to the order of 10-6 S/cm upon increase in salt concentration at room temperature. The 2 and 4-amino benzene sulphonic acid enhances the conductivity of PVP by donating its proton from the sulphonic acid group very effectively. Thus the maximum ionic conductivity (8.44x 10-6 S/cm) is obtained for 9 mol% 2-amino benzene sulphonic acid (2ABSA) complexed PVP polymer electrolyte.

    Keywords

    Polyvinyl pyrrolidone, 2, 3, 4-Amino benzene sulphonic acid, Impedance spectroscopy, Polymer electrolyte

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