In situ coupling of Ti2O with rutile TiO2 as a core–shell structure and its photocatalysis performance

Wang, Q., Fan, Jiajie, Zhang, Shilin, Yun, Yifan, Zhang, Jinhua, Zhang, Peng, Hu, Junhua, Wang, Lijie and Shao, Guosheng (2017) In situ coupling of Ti2O with rutile TiO2 as a core–shell structure and its photocatalysis performance. RSC Advances, 7 (86). pp. 54662-54667. ISSN 2046-2069

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Abstract

The fabrication of high-performance, low-cost photocatalysis materials, which absorb in the visible-light region, is of significance for their practical applications. A Ti2O@TiO2 (rutile) core–shell structure was fabricated through dehydrogenation and oxidation from TiH2. Thermal analysis indicates that a bimodal oxidation behavior accounts for the formation of a bi-phasic composite. The response of the composite under UV and visible light was measured by PL (photoluminescence) spectra and a photo-degradation test. A pronounced improvement in photo-degradation performance is attributed to the synergistic function of exciton separation of the core–shell structure and the visible light response of the Ti2O cores.

Item Type: Article
Divisions: University of Bolton Research Centres > Institute for Renewable Energy and Environmental Technologies
Depositing User: Tracey Gill
Date Deposited: 13 Feb 2018 11:27
Last Modified: 13 Feb 2018 11:27
Identification Number: 10.1039/C7RA10347F
URI: http://ubir.bolton.ac.uk/id/eprint/1338

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