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Optical properties of (PEG-TiO2) nanocomposities

Author(s): AbdulazeezO.MousaAl-Ogaili,KararO.Abdali, Esra'aY.Khudair

In this research, the optical properties for (PEG-TiO2) nanocompositeshave been studied. For this purpose, solutions were prepared with different percentage (0.05 and 0.1) wt.%of (TiO2) nanoparticles. Experimental results for optical properties show that the electronic transitions were indirect, the values of the energy gap has been found, it decreases with the increase of the concentration of the additive. The optical constants absorption coefficient, refractive index, extinction coefficient, real and imaginary dielectric constant have all been measured and it was found out that all these constants increase with the increase of the concentration of (TiO2) nanoparticles

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