期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS
卷 32, 期 -, 页码 21-39出版社
ELSEVIER
DOI: 10.1016/j.jphotochemrev.2017.05.003
关键词
Reduced TiO2; TiO2-x; Modifications; Doping; Photocatalysis
资金
- National Nature Science Foundation of China [21577036, 21377038, 21237003, 21677048]
- National Basic Research Program of China (973 Program) [2013CB632403]
- State Key Research Development Program of China [2016YFA0204200]
- Chenguang Program
- Shanghai Education Development Foundation
- Shanghai Municipal Education Commission [14CG30]
- Science and Technology Commission of Shanghai Municipality [16JC1401400]
- Fundamental Research Funds for the Central Universities [222201717003]
- China Scholarship Council (CSC) [201406740019]
A large variety of reduced titanium dioxide (TiO2-x) materials have been reported recently. Reduced TiO2, usually resulting from the removal of oxygen atoms or hydrogen incorporation, is proved to be efficient for achieving highly photocatalytic performance including photodegradation of organic compounds, hydrogen generation from water splitting, CO2 reduction for CH4 evolution, solar cells, etc. To further impbove the properties and activities ofTiO(2-x), a combination of the Ti3+ self-doping and other traditional modifications like nonmetals doping has been proposed in the past decades. This paper provides a general and critical review on the further modifications on reduced TiO2 samples, including non-metal elements (N, B, S, F and I) doping, noble-metal (Au, Pt, Pd and Ag) and iron-group metal (Fe, Co and Ni) grafting, metal oxide compositing, carbon (nanotubes and graphene) and carbon-based-material compositing, special facets exposure (mainly dual {001}-{101} and {111}-{0101} facets) of TiO2-x and ordered structure controlling of TiO2-x These modifications enhance the physical and/or chemical properties of the reduced TiO2, or create new features for the modified TiO2-x samples, which finally leads to the enhancement of photocatalytic performance. Key examples such as N-doping, Au grafting and graphene-based coin positing are discussed carefully, and the mechanisms for solar light enhancement, electron transfer and charge separation are also investigated. Finally, some challenging issues on TiO2-x catalysts are also proposed to encourage new approaches for preparation of TiO2-x catalysts with efficiently photocatalytic performance. (C) 2017 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据