Recent Advances in TiO2 Photocatalysts

Dear Colleagues,

Chemical processes, such as advanced oxidation processes (AOPs), receive a lot of attention with respect to their application for water treatment purposes. Among these processes, semiconductor photocatalysis, especially with titanium dioxide (TiO₂), has been studied in detail, also with regard to the elimination of selected micropollutants in water. This inexpensive, stable and non-toxic catalyst provides very good removal efficiencies. TiO₂ photocatalysts have a great potential for application in the decontamination of wastewater, exhaust gases and disinfection. High-efficiency TiO₂-based photocatalysts are also successfully used in photocatalytic water splitting and photoconversion, providing low cost and environmentally-friendly production of clean fuels. However, due to the energy band gap, the practicality of natural solar light employment is limited. Nowadays, the application of visible light in TiO₂ photocatalysis is the main goal of research.

This Special Issue aims to report on recent progress and developments in methods promoting the visible light photocatalytic activity of TiO₂, including metal and non-metal doping, surface deposition of noble metals, semiconductor coupling, and dye sensitizing. Furthermore, research into understanding the mechanism of photocatalysis, photocatalytic ozonation, as well as the photoconversion and water splitting will be important subjects for this Special Issue.

Prof. Dr. Marta Gmurek
Dr. Anna Malankowska
Prof. Dr. Rui C. Martins
Dr. Ewa Borowska
Guest Editors

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