Dispersion parameters of cadmium chloride doped PVA-PVP blend films View Full Text


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Article Info

DATE

2017-04

AUTHORS

Basavarajeshwari M Baraker, Blaise Lobo

ABSTRACT

Solution cast films of poly vinylalcohol (PVA) – poly vinylpyrrolidone (PVP) polymer blend, doped with different concentrations (from 0.5 wt% up to 40 wt%) of cadmium chloride (CdCl2) have been studied by analysing the data recorded using optical (UV-Vis) spectrometry. The modified band structure of PVA -PVP blends doped with CdCl2 has been studied using Moss model and Wemple - DiDomenco model. Optical parameters such as transmittance (T), reflectance (R), refractive index (n), average oscillator energy (E0), oscillator dispersion energy (Ed), real and imaginary part of dielectric constant (εr and εi) have been determined. The ratio of charge carrier concentration to effective mass (N/m*), plasma frequency (ωp), average oscillator wavelength (λo), oscillator strength (So), optical conductivity (σ) and optical momenta of spectra (M−1 and M−3) have been estimated for the PVA-PVP blend films doped with CdCl2. More... »

PAGES

84

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10965-017-1242-3

DOI

http://dx.doi.org/10.1007/s10965-017-1242-3

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1085112453


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