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GURPREET KAUR1,* , DINESH SINGH RANA1
This paper presents the synthesis of polyvinylidene fluoride-barium titanate (PVDF-BaTiO3) nanocomposite films prepared with a variable concentration of BaTiO3 filler via solution casting technique. Here, we report the effect of BaTiO3 over the surface morphology, crystallinity and electrical conductivity of PVDF based nanocomposite films using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Field emission scanning electron microscopy (FESEM) and Energy dispersive spectroscopy (EDS) techniques. X-ray diffraction and FTIR studies reveal that BaTiO3 particles are packed properly in the amorphous region of PVDF favour the alignment of diploes of a polymer chain, which instigate the formation of β-phase. Incorporating BaTiO3 leads to improve the crystallinity from 45.2% (for PVDF) to 59.10% (for 1 wt% of BaTiO3). FESEM investigation showed the homogeneous dispersion of BaTiO3 particles within the polymer matrix. Incorporating BaTiO3 filler enhanced the electrical properties of PVDF based composite films. Observations show that the synthesized PVDF-BaTiO3 nanocomposite films are capable to be utilized in miniaturized electronics and energy harvesting devices.
XRD, FTIR, BaTiO3 nanoparticles, Nanocomposites, PVDF, FWHM, β-phase fraction, Crystallinity, PVDF matrix, Sol-gel.
GURPREET KAUR, DINESH SINGH RANA, Synthesis and comprehensive investigation on structural, morphological and electrical properties of PVDF-BaTiO3 nanocomposite films, Optoelectronics and Advanced Materials - Rapid Communications, 14, 11-12, November-December 2020, pp.542-547 (2020).
Submitted at: Nov. 13, 2019
Accepted at: Nov. 25, 2020
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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