Scientific studies on photocatalysis started about two and a half decades ago. Titanium dioxide (TiO2), which is one of the most basic materials in our daily life, has emerged as an excellent photocatalyst material for environmental purification. In this review, current progress in the area of TiO2 photocatalysis, mainly photocatalytic air purification, sterilization and cancer therapy are discussed together with some fundamental aspects. A novel photoinduced superhydrophilic phenomenon involving TiO2 and its applications are presented.
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Titanium dioxide,Photocatalysis,Self-cleaning surfaces,Air purification,Decomposition of organic compounds,Photocatalytic sterilization,Photocatalytic cancer treatment,Superhydrophilicity,Anti-fogging surfaces
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