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Hydrothermal Preparation of Visible-Light-Driven N-Br-Codoped TiO2 Photocatalysts
Joint Authors
Sun, Yuhan
Sheng, Yonggang
Liang, Liping
Wu, Dong
Jiang, Dong
Xu, Yao
Source
International Journal of Photoenergy
Issue
Vol. 2008, Issue 2008 (31 Dec. 2008), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2008-02-17
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
Using a facile hydrothermal method, N-Br-codoped TiO2 photocatalyst that had intense absorption in visible region was prepared at low temperature (100oC), through a direct reaction between nanocrystalline anatase TiO2 solution and cetyltrimethylammonium bromide (CTAB).
The results of X-ray photoelectron spectroscopy (XPS) showed the existence of N-Ti-N, O-Ti-N-R, Ti3+ (attribute to the doped Br atoms by charge compensation), and TiOxNy species, indicating the successful codoping of N and Br atoms, which were substituted for lattice oxygen without any influence on the crystalline phase of TiO2.
In contrast to the N-doped sample, the N-Br-codoped TiO2 photocatalyst could more readily photodegrade methylene blue (MB) under visible-light irradiation.
The visible-light catalytic activity of thus-prepared photocatalyst resulted from the synergetic effect of the doped nitrogen and bromine, which not only gave high absorbance in the visible-light range, but also reduced electron-hole recombination rate.
American Psychological Association (APA)
Sheng, Yonggang& Xu, Yao& Jiang, Dong& Liang, Liping& Wu, Dong& Sun, Yuhan. 2008. Hydrothermal Preparation of Visible-Light-Driven N-Br-Codoped TiO2 Photocatalysts. International Journal of Photoenergy،Vol. 2008, no. 2008, pp.1-7.
https://search.emarefa.net/detail/BIM-987938
Modern Language Association (MLA)
Sheng, Yonggang…[et al.]. Hydrothermal Preparation of Visible-Light-Driven N-Br-Codoped TiO2 Photocatalysts. International Journal of Photoenergy No. 2008 (2008), pp.1-7.
https://search.emarefa.net/detail/BIM-987938
American Medical Association (AMA)
Sheng, Yonggang& Xu, Yao& Jiang, Dong& Liang, Liping& Wu, Dong& Sun, Yuhan. Hydrothermal Preparation of Visible-Light-Driven N-Br-Codoped TiO2 Photocatalysts. International Journal of Photoenergy. 2008. Vol. 2008, no. 2008, pp.1-7.
https://search.emarefa.net/detail/BIM-987938
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-987938