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International Journal of Polymer Science
Volume 2014, Article ID 697809, 6 pages
http://dx.doi.org/10.1155/2014/697809
Research Article

Effect of Nano ZnO on the Optical Properties of Poly(vinyl chloride) Films

1Department of Physics, College of Science, AL-Nahrain University, Baghdad 64021, Iraq
2School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
3Department of Chemistry, College of Science, AL-Nahrain University, Baghdad 64021, Iraq

Received 22 December 2013; Accepted 20 January 2014; Published 2 March 2014

Academic Editor: Yulin Deng

Copyright © 2014 Wasan Al-Taa’y et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Optical properties of pure and doped poly(vinyl chloride) (PVC) films, prepared by using casting technique, with different nanosize zinc oxide (ZnO) concentrations (1–20) wt% have been studied. Parameters such as extinction coefficient, refractive index, real and imaginary parts, Urbach energy, optical conductivity, infinitely high frequency dielectric constant, and average refractive index were studied by using the absorbance and transmittance measurement from computerized UV-visible spectrophotometer (Shimadzu UV-1601 PC) in the spectral range 200–800 nm. This study reveals that the optical properties of PVC are affected by the doping of ZnO where the absorption increases and transmission decreases as ZnO concentration increases. The extinction coefficient, refractive index, real and imaginary parts, infinitely high frequency dielectric constant, and average refractive index values were found to increase with increasing impurity percentage. The Urbach energy values are found to be decreasing with increasing ZnO concentration. The optical conductivity increased with photon energy after being doped and with the increase of ZnO concentration.