Journal
CATALYSIS COMMUNICATIONS
Volume 87, Issue -, Pages 98-101Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2016.09.011
Keywords
Silica nanosheets; Oxygen vacancies; Supported TiO2; Phenol degradation; Visible light
Categories
Funding
- National Nature Science Foundation of China [21303258]
- Xinjiang International Science & Technology Cooperation Program, China [20146006]
- Western Light Program of Chinese Academy of Sciences [XBBS201211]
- Natural Science Foundation of Xinjiang Province [2013211B33]
- Xinjiang Program of Cultivation of Young Innovative Technical Talents [2013731019]
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Phenol degradation with TiO2 has attracted a great deal of interest in recent years. However, its low efficiency under solar radiation and difficulty of recovery limit the potential use. Here we report a novel silica support inducing oxygen vacancies strategy to prepare visible-light-active TiO2 with mixed-phase, which show excellent photocatalytic performance for phenol degradation under visible light. Hydroxyl and superoxide radicals were the main oxidative species responsible for the degradation of phenol. Our work demonstrates that coupling with oxygen vacancy creation and silica nanosheets (SNSs) immobilization for TiO2 is a new approach to obtained efficient visible-light photocatalysts for practical application. (C) 2016 Elsevier B.V. All rights reserved.
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