Abstract
Abstract Nanocomposite thin film photocatalysts of TiO2 and poly(tetrafluoroethylene) (PTFE) were prepared by applying a radio frequency magnetron sputtering deposition technique. A superhydrophobic surface, with high transparency and photocatalytic self-cleaning property, was successfully realized by the deposition of TiO2–PTFE composite on spherical SiO2-modified quartz substrate. TiO2–PTFE composite suppressed the surface wettability changes to hydrophilic state and exhibited an adequate photocatalytic activity for the removal of oleic acid as a model contaminant of oily dirt under UV light irradiation.
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