Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 183, Issue -, Pages 328-334Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2015.10.055
Keywords
TiO2; Photocatalysis; Nanostructures; UV-VIS light
Funding
- FP7 European Project WATER [316082]
- Italian Ministry of Education and Research (MIUR) under project Beyond-Nano (PON) [a3_00363]
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In this study we employed hydrogen peroxide etching of Ti films as a straightforward method to synthesize hydrogenated TiO2 nanoplumes. The material was extensively characterized, showing, among other special features, the inclusion of OH groups. These groups together with-the generated structural defects and the nanostructuration are crucial for the high photocatalytic properties under ultraviolet (UV) and visible (VIS) light irradiation. In particular, nanoplumes show a reaction rate about 5 times the rate of TiO2 flat films. Furthermore, nanoplumes display a significant antibacterial activity under VIS light irradiation, compared with TiO2 films. (C) 2015 Elsevier B.V. All rights reserved.
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