Transport properties of Polyaniline -V2O5 Composites
Journal: International Journal of Engineering Research (Vol.2, No. 1)Publication Date: 2013-01-01
Authors : Vijaykumar B. Chanashetty Sharanappa.G B. M. Patil Sangshetty K.;
Page : 1-6
Keywords : Polyaniline; Vanadium pentaoxide; Composites; AC conductivity; Tangent loss;
Abstract
Polyaniline - V2O5 composites at different weight percentages were synthesized by in situ polymerization method. The composites have been synthesized with various compositions (5, 10, 15, 20, and 25 wt %) of vanadium pentaoxide in polyaniline. From the Fourier transform infrared spectroscopy (FTIR) studies on polyaniline/ V2O5 composites, the peak at 1122 cm-1 is considered to be measure of the degree of electron delocalization, 1487 cm-1 is C=C stretching of benzonoid ring, 1558 is C=N quinonoid stretching mode of vibration. The surface morphology of these composites was studied with scanning electron micrograph (SEM). The ac conductivity has been studied in the frequency range of 50 Hz to 5 MHz and it is found that 15 wt% shows high conductivity compare to pure polyaniline and other composites. The results obtained for these composites are of scientific and technological interest.
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Last modified: 2013-02-24 21:07:24