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Enhanced Visible Light Photocatalytic Activity of V2O5 Cluster Modified N-Doped TiO2 for Degradation of Toluene in Air
Joint Authors
Source
International Journal of Photoenergy
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-05-08
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
V2O5 cluster-modified N-doped TiO2 (N-TiO2/V2O5) nanocomposites photocatalyst was prepared by a facile impregnation-calcination method.
The effects of V2O5 cluster loading content on visible light photocatalytic activity of the as-prepared samples were investigated for degradation of toluene in air.
The results showed that the visible light activity of N-doped TiO2 was significantly enhanced by loading V2O5 clusters.
The optimal V2O5 loading content was found to be 0.5 wt.%, reaching a removal ratio of 52.4% and a rate constant of 0.027 min−1, far exceeding that of unmodified N-doped TiO2.
The enhanced activity is due to the deposition of V2O5 clusters on the surface of N-doped TiO2.
The conduction band (CB) potential of V2O5 (0.48 eV) is lower than the CB level of N-doped TiO2 (−0.19 V), which favors the photogenerated electron transfer from CB of N-doped TiO2 to V2O5 clusters.
This function of V2O5 clusters helps promote the transfer and separation of photogenerated electrons and holes.
The present work not only displays a feasible route for the utilization of low cost V2O5 clusters as a substitute for noble metals in enhancing the photocatalysis but also demonstrates a facile method for preparation of highly active composite photocatalyst for large-scale applications.
American Psychological Association (APA)
Dong, Fan& Sun, Yanjuan& Fu, Min. 2012. Enhanced Visible Light Photocatalytic Activity of V2O5 Cluster Modified N-Doped TiO2 for Degradation of Toluene in Air. International Journal of Photoenergy،Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-481523
Modern Language Association (MLA)
Dong, Fan…[et al.]. Enhanced Visible Light Photocatalytic Activity of V2O5 Cluster Modified N-Doped TiO2 for Degradation of Toluene in Air. International Journal of Photoenergy No. 2012 (2012), pp.1-10.
https://search.emarefa.net/detail/BIM-481523
American Medical Association (AMA)
Dong, Fan& Sun, Yanjuan& Fu, Min. Enhanced Visible Light Photocatalytic Activity of V2O5 Cluster Modified N-Doped TiO2 for Degradation of Toluene in Air. International Journal of Photoenergy. 2012. Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-481523
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-481523