A comparative study between the physical properties of polyacrylonitrile loaded with 10 wt.% of strontium hexaferrite and those with the same content of nickel cobaltite nanoparticles

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Physics Department, Faculty of Science, Fayoum University, El Fayoum

Abstract

This study reports a comparative analysis between two different nanocomposite films that were synthesized by the casting method. Polyacrylonitrile (PAN) loaded with 10 wt. % strontium hexaferrite (SrFe12O19, SFO) nanoparticles (NPs). Similarly, the same content of nickel cobaltite (NiCo2O4, NCO) NPs-doped PAN was prepared. X-ray diffraction (XRD) patterns revealed a successful formation of both two nanocomposite films. According to the result of the thermal analysis, both NCO and SFO NPs enhanced the thermal stability of the PAN matrix. Field emission-scanning electron microscopy (FE-SEM) and Fourier transform infrared (FTIR) are used to characterize the studied noncomposite films. The dielectric properties of PAN were enhanced with doping and the 10 wt.% NCO NPs/PAN showed higher dielectric permittivity, ac conductivity, and lower dielectric losses compared to those of the same SFO nanocomposite film. It was found that the dielectric parameters were significantly dependent on the type of nanofiller. NCO/PAN nanocomposite film could be a potential candidate for storage energy components.

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