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Effect of Electronegativity and Charge Balance on the Visible-Light-Responsive Photocatalytic Activity of Nonmetal Doped Anatase TiO2
Joint Authors
Jin, Hao
Lu, Jibao
Dai, Ying
Huang, Baibiao
Yang, Kesong
Source
International Journal of Photoenergy
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-10-12
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
The origin of visible light absorption and photocatalytic activity of nonmetal doped anatase TiO2 were investigated in details in this work based on density functional theory calculations.
Our results indicate that the electronegativity is of great significance in the band structures, which determines the relative positions of impurity states induced by the doping species, and further influences the optical absorption and photocatalytic activities of doped TiO2.
The effect of charge balance on the electronic structure was also discussed, and it was found that the charge-balance structures may be more efficient for visible light photocatalytic activities.
In addition, the edge positions of conduction band and valence band, which determine the ability of a semiconductor to transfer photoexcited electrons to species adsorbed on its surface, were predicted as well.
The results may provide a reference to further experimental studies.
American Psychological Association (APA)
Lu, Jibao& Jin, Hao& Dai, Ying& Yang, Kesong& Huang, Baibiao. 2011. Effect of Electronegativity and Charge Balance on the Visible-Light-Responsive Photocatalytic Activity of Nonmetal Doped Anatase TiO2. International Journal of Photoenergy،Vol. 2012, no. 2012, pp.1-8.
https://search.emarefa.net/detail/BIM-508895
Modern Language Association (MLA)
Lu, Jibao…[et al.]. Effect of Electronegativity and Charge Balance on the Visible-Light-Responsive Photocatalytic Activity of Nonmetal Doped Anatase TiO2. International Journal of Photoenergy No. 2012 (2012), pp.1-8.
https://search.emarefa.net/detail/BIM-508895
American Medical Association (AMA)
Lu, Jibao& Jin, Hao& Dai, Ying& Yang, Kesong& Huang, Baibiao. Effect of Electronegativity and Charge Balance on the Visible-Light-Responsive Photocatalytic Activity of Nonmetal Doped Anatase TiO2. International Journal of Photoenergy. 2011. Vol. 2012, no. 2012, pp.1-8.
https://search.emarefa.net/detail/BIM-508895
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-508895