Abstract
A comparative study on the effects of gamma and 90 MeV carbon ion irradiations on structural and electrical properties of poly (vinyl alcohol) (PVA) based nanocomposite polymer electrolyte were investigated. The nanocomposite polymer electrolyte matrices have been prepared by the solution casting technique. The XRD and FTIR analyses showed that the structure of polymer electrolytes becomes amorphous due to the incorporation of nanofillers and under both types of irradiations. The frequency dependence electrical properties were investigated using impedance spectroscopy in the range of 20 Hz to 1 MHz at room temperature. The ionic conductivity showed a strong dependency on the concentration of nanofillers and irradiation doses. The reduction in surface roughness of polymeric films after irradiations is revealed from AFM studies. The high electrical conductivity after irradiations suggests that this polymeric material has the potential for battery application.
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