Abstract
Nano composites of poly(vinylidene difluoride) (PVDF)–polyaniline (PANI) were prepared by spin coating method. Also, the influence of PANI doping (20, 30 and 40% by weight) on the microwave dielectric parameters was investigated. The structural aspects of samples were studied by atomic force microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy. Dielectric properties of PVDF:PANI composites were characterized as a function of composition and frequency. The microwave dielectric constant increased smoothly with an increase in the concentration of PANI. Moreover, when the PANI content reaches 40wt.%, there is a transition from an insulator to semiconductor.
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