Physics and chemistry of photocatalytic titanium dioxide: Visualization of bactericidal activity using atomic force microscopy

Abstract

When titanium dioxide (TiO2) is exposed to nearultraviolet light, it exhibits strong bactericidal activity. Anatase phase of TiO2 film was prepared by anodizing pure titanium coupons (substrate). Atomic force microscopy (AFM) technique was used to image the transformation of titanium surface to TiO2 surface on anodization. We observed wide distribution of… (More)

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