Physical properties of Udoped TiO2 and Zn doped TiO2 thin films prepared by spray pyrolysis.

Chemical spray pyrolysis (CSP) was used to prepare pure Titanium dioxide and TiO2:Zn thin films. The base temperature of the prepared films was held at 450°C during deposition. The as-deposited thin films had a polycrystalline structure with a strong peak along the (121) plane, according to XRD data. Furthermore, Using an Atomic Force Microscope, the surface topography of thin films was examined (AFM). The AFM images depicted the average particle size nanostructures. In the visible field, the transmittance of pure TiO2 was found to be about 70%. The band gap for pure TiO2:Zn is reduced with the increase of doping. [ABSTRACT FROM AUTHOR]

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