Abstract
The photocatalytic activity of TiO2 thin film formed on 5083 aluminum alloy (TiO2/5083) sheets by using the advanced sol-gel method, and the effect of anodic oxide film between TiO2 thin film and 5083 alloy sheets were investigated by evolution of photocatalytic activity, X-ray diffraction (XRD) technique, transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS) and scanning electron microscopy (SEM). The photocatalytic activity of TiO2/5083 sheet was low and MgO was detected by XRD and TEM. The photocatalytic activity of TiO2/5083 sheet with anodic oxide was improved and was higher than that of TiO2/5083 sheet without anodic oxide film. It was confirmed by XRD, SEM and high resolution TEM that MgO was not detected in the TiO2 thin film with anodic oxide film between TiO2 thin film and 5083 sheet. It has been considered that the sheet which has anodic oxide film between TiO2 and 5083 sheet did not have MgO.
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