Abstract
Polyvinyl alcohol polymer is a harmless substance of great importance to the medical and optical fields. In this paper, we saturated PVA with Al2O3 nanoparticles with different weights 0, 0.01, 0.03 and 0.05% at a temperature of 25oC and 1 atm pressure, The optical constants had been characterized by measuring the transmittance in the visible spectrum, the ultraviolet field, the absorption, and the rest of the optical properties such as the damping and refraction coefficient, in addition to the real and imaginary part of the dielectric constant and finally the optical conductivity of the samples. We observed that the band gap width (Eg) decrease when we increase the Al2O3 (doping ratio).
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