Vacuum activation-induced Ti3+ and carbon co-doped TiO2 with enhanced solar light photo-catalytic activity
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- 作者：Qiuying Yi ; Yi Zhou ; Mingyang Xing ; Jinlong Zhang
- 关键词：Ti3+ ; Carbon ; Co ; doped TiO2 ; Vacuum activation ; Photo ; catalytic activity
- 刊名：Research on Chemical Intermediates
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：42
- 期：5
- 页码：4181-4189
- 全文大小：1,451 KB
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Yi Zhou (1)
Mingyang Xing (1)
Jinlong Zhang (1)
1. Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People’s Republic of China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Catalysis
Physical Chemistry
Inorganic Chemistry - 出版者：Springer Netherlands
- ISSN：1568-5675
文摘
Ti3+ and carbon co-doped TiO2 photocatalysts were prepared hydrothermally to introduce the carbon, and followed by simple vacuum activation to achieve the Ti3+ self-doping. The prepared co-doped photocatalysts were characterized by XRD, TEM, UV–Vis absorption spectra, EPR, and XPS. It was found that the co-doped TiO2 has dispersed nanoparticles and a narrower band-gap compared with the un-doped TiO2 and single-doped TiO2. The experimental results displayed that the coke carbon generated on the surface of co-doped TiO2 acts as a photosensitizer and has the photosensitization effect under solar light irradiation. Except for the carbon sensitization effect, the Ti3+ self-doping modification has a synergistic effect which is the reason for the effective photo-degradation of methyl orange under simulated solar light irradiation.