Browsing by Author "Sadiq, M"

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    Dielectric relaxation and AC conductivity of TiO2 nanofiller dispersed polymer nanocomposite
    (American Institute of Physics, 2019) Arya, A; Sadiq, M; Sharma, A.L.
    The Lithium-ion conducting polymer nanocomposite (PNC) has been synthesized by the standard solution cast technique in the skeleton of PEO-PVC blend with a different content of Titanium oxide (TiO2) as nanofiller. The lithium hexafluorophosphate (LiPF6) was used as the salt. The dielectric strength decreases with frequency and is attributed to the dominance of the electrode polarization effect. The highest dielectric strength and lowest relaxation time (1.88ns) were achieved for the 15 wt. % TiO2 (PPS15T) PNCs when compared to other concentrations. The PPS15T exhibits the highest dc conductivity 2.34×10-5 S cm-1 at RT. The dielectric strength (Δϵ) and relaxation time (τϵ′) were in good agreement with the dc conductivity (σdc). An interaction scheme has also been proposed to highlight the interactions between the polymer, salt and nanofiller in most visual manner. © 2019 Author(s).