Impact of ZnO Nanoparticle on the Structural and Optical Properties of Poly(vinyl alcohol) Film
DOI:
https://doi.org/10.23851/mjs.v33i4.1194Keywords:
Nanocomposite, Optical Properties, PVA/ZnO Nanoparticle, XRD, FTIR, UV-VisibleAbstract
Using the cast technique thin films of poly (vinyl alcohol) (PVA) containing varying amounts of Zinc Oxide ZnO nanoparticles (0.001, 0.002, 0.003, 0.004 and 0.005) g were formed. Physical properties excluded structural; (X-Ray Diffraction) (XRD), Fourier Transform Infrared (FT-IR) spectroscopy and UV-Visible spectroscopy. XRD results showed the amorphous structure of PVA film and Hexagonal crystalline structure of ZnONPs, PVA/ZnO nanocomposite appears as pattern of PVA films so the peaks of ZnO don't appear in it. FTIR spectra reveled ZnONPs doesn't have any influence on polymer structure. The effects of the ZnONPs on optical characteristics of PVA like the absorption spectrum, transmission spectrum, energy band gap, absorption coefficient, extinction coefficient, refractive index, real and imaginary parts of dielectric constant has been studied using UV-Vis spectroscopy. This study demonstrates that increasing the number of ZnONPs has an effect on all of these parameters.
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