Abstract
Visible-light-sensitive sub-5 nm anatase titanium dioxide (TiO2) nanoparticles (NPs) were fabricated without any doping and calcination treatments. The energy band gap was effectively narrowed to ~ 2.98 eV. The surface and subsurface hydroxyl defects were ascertained as the origin for the band gap narrowing and for the efficient azo-based dye degradation in water and formaldehyde decomposition in air, as well as disinfection of Staphylococcus aureus bacteria, under visible light irradiation.
Original language | English |
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Pages (from-to) | 81-85 |
Number of pages | 5 |
Journal | Catalysis Communications |
Volume | 72 |
DOIs | |
Publication status | Published - 5 Dec 2015 |
Keywords
- Energy band gap
- Hydroxyls
- Sub-5 nm particle size
- Surface and subsurface defects
- Visible-light-responsive TiO<inf>2</inf>
ASJC Scopus subject areas
- Catalysis
- General Chemistry
- Process Chemistry and Technology