Review Article
Open Access
Effect of Ammonium Salt on Structural, Conductivity and Optical Properties of PVDF Thin Film Electrolytes
A.Jayalakshmi*, A.Annapooranam, S.Sivadevi
Department of Physics, The S. F. R. College for Women, Sivakasi, Tamilnadu -626123, India
S.Sivadevi et al /Int.J. TechnoChem Res. 2016,2(3),pp 239-243.
Abstract
An investigation is carried out on new solid polymer electrolytes based on
Polyvinylidene fluoride (PVdF) doped with Ammonium Nitrate (NH4NO3), which have been
prepared by solution casting technique using Dimethylformamide (DMF) as solvent. XRD
analysis shows the amorphous nature of the polymer electrolytes. AC impedance analysis gives
the ionic conductivity value of the electrolytes. The conductivity at room temperature (303K)
has been found to be increased by the addition of ammonium nitrate and the maximum value is
1.712x10-5(S/cm) for 80%PVdF: 20% NH4NO3 polymer electrolyte. Dielectric study has been
made to analyse the electric behavior of polymer electrolytes. From UV-Vis spectroscopy the
direct band gap energy is observed to be 4.16eV & 4.08eV for pure PVdF & salt doped PVdF
samples respectively.
Keywords
XRD, AC Impedance analysis, Dielectric studies, UV-Visible spectroscopy.
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