Optical and electrical conductivity studies of VO2 doped polyvinyl pyrrolidone (PVP) polymer electrolytes
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The maximum ionic conductivity of 5.39 108 Scm1 at 303 K was observed for the 5 mol VO2 ions doped PVP polymer electrolyte film. From the UV-Visible absorption spectra in the wavelength range of 200-800 nm the direct and indirect optical energy band gaps and optical absorption edges were found decreased with the increase in the VO2 ion concentration.
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