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Journal of Nanomaterials
Volume 2012, Article ID 831524, 13 pages
http://dx.doi.org/10.1155/2012/831524
Review Article

Ti??+ in the Surface of Titanium Dioxide: Generation, Properties and Photocatalytic Application

1Physics Department, Huanggang Normal University, Huanggang 438000, China
2Hubei Silver Dragon Pipe Industrial Co., LTD, Ezhou 436000, China
3Institute of Nanoscience and Nanotechnology, Central China Normal University, Wuhan 430079, China

Received 21 May 2011; Accepted 26 August 2011

Academic Editor: Hahmid Reza Zargar

Copyright © 2012 Liang-Bin Xiong et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Titanium dioxide (TiO2) is the most investigated crystalline oxide in the surface science of metal oxides. Its physical and chemical properties are dominantly determined by its surface condition. Ti3+ surface defect (TSD) is one of the most important surface defects in TiO2. According to publications by other groups and the studies carried out in our laboratory, the formation mechanism of TSD is proposed. The generation, properties, and photocatalytic application of TSD are overviewed; the recent exploration of TSD is summarized, analyzed, and evaluated as well in this paper.