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In order to achieve high conductivity and transmittance of transparent conducting oxide (TCO), we attempted to fabricate Mg doped TiO 2 (Mg x Ti 1-x O 2 ) thin films and characterized them for their structural and optical properties. The Mg x Ti 1-x O 2 thin films have been deposited on glass substrate by doctor's blade technique. The structure of the films were confirmed to be tetragonal and particle size were estimated to be ≈11.1 nm from XRD analysis. The Optical property study in the same range shows higher value of absorbance in comparison to the pure TiO 2 film after the wavelength 425 nm. The band gap is estimated to be 1.78 eV much lower than pure TiO 2 (3.2 eV). So the study shows that doping a small amount of Mg can enhance the visible light absorption in the epitaxial thin film which can be a suitable material for use in solar cell to trap the solar-radiation.

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