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Titanium dioxide is the most popular photocatalyst among the common photocatalysts such as TiO2, ZnO, ZrO2, SnO2, WO3, CeO2, Fe2O3, Al2O3, ZnS and CdS as it is relatively inexpensive, stable chemically, and the photogenerated holes are highly oxidizing. In general, synthesis of TiO2 usually results in amorphous structures, but electrical arc discharge in water has the advantage in this regard as it...
In this work, we optically investigate and characterize the photocatalytic recovery of contaminated TiO2 nanoparticles of different sizes that are incorporated in solgel films to study the size effect. We demonstrate significant improvement in the optical efficiency of the photocatalytic nanoparticles as we reduce the particle size
High-performance TiO2 photocatalysts have been mainly issued in the area of photoactive materials for a long time. The role of anatase-rutile phase boundary on the photoactivity of TiO2 could be demonstrated combining the materials data with NEXAFS results. An interface between anatase and rutile phases (phase boundary) was directly proved to trap the electrons excited from the valance band, for the...
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