Function of TiO2 Lattice Defects toward Photocatalytic Processes : View of Electronic Driven Force
Joint Authors
Shi, Jianying
Wang, Chuan
Liu, Hong
Cui, Huanan
Source
International Journal of Photoenergy
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-16, 16 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-12-24
Country of Publication
Egypt
No. of Pages
16
Main Subjects
Abstract EN
Oxygen vacancies and Ti-related defects (OTDs) are the main lattice defects of TiO2, which have great influence on its photocatalytic activity.
To understand the relationship between the defects and photocatalytic activities, detailed discussions based on the electronic driven force provided by these defects are carried out during the three commonly accepted processes in photocatalytic reactions.
It is found that these defects inevitably (i) influence the energy structure of the pristine TiO2 as the isolate acceptor/donor level or hybrid with the original orbital, (ii) provide a disordered short-range force that confuses the charge carriers transferring to surface active sites, (iii) act not only as the surface active sites for trapping the charge carriers but also as the main chemisorption sites for O2, H2O, and organic species.
These effects of the defects make them one of the key factors that determine the efficiency of heterogeneous photocatalysis.
Clarifying the role of the defects will further facilitate the exploration and the construction of high-performance photocatalysts for practical applications.
American Psychological Association (APA)
Cui, Huanan& Liu, Hong& Shi, Jianying& Wang, Chuan. 2013. Function of TiO2 Lattice Defects toward Photocatalytic Processes : View of Electronic Driven Force. International Journal of Photoenergy،Vol. 2013, no. 2013, pp.1-16.
https://search.emarefa.net/detail/BIM-466185
Modern Language Association (MLA)
Cui, Huanan…[et al.]. Function of TiO2 Lattice Defects toward Photocatalytic Processes : View of Electronic Driven Force. International Journal of Photoenergy No. 2013 (2013), pp.1-16.
https://search.emarefa.net/detail/BIM-466185
American Medical Association (AMA)
Cui, Huanan& Liu, Hong& Shi, Jianying& Wang, Chuan. Function of TiO2 Lattice Defects toward Photocatalytic Processes : View of Electronic Driven Force. International Journal of Photoenergy. 2013. Vol. 2013, no. 2013, pp.1-16.
https://search.emarefa.net/detail/BIM-466185
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-466185