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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 532-533Modified N Doped TiO2 Nanotubes with Magnetic...

Modified N Doped TiO₂ Nanotubes with Magnetic γ-Fe₂O₃ as Visible Light Photocatalysts

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Abstract:

γ-Fe₂O₃/N-doped TiO₂ nanotubes (N-TiO₂ NTs) photocatalyst was successfully prepared by a wet chemical method. Visible light responses of this novel catalyst for decomposing methyl orange (MO) in air were also evaluated. It was found that the photocatalytic activity of γ-Fe₂O₃/N-TiO₂ NTs was higher than those of N-doped TiO₂ NTs, TiO₂ NTs and P25. The characterizations including TEM, EDX and UV/Vis DRS revealed that iron oxide nanoparticles were decorated in/around N-TiO₂ NTs and the spectral response was enhanced in visible region. Meanwhile, the catalyst recycled by external magnetic field showed that its photocatalytic efficiency did not decrease obviously.

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Materials Science and Information Technology II

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Periodical:

Advanced Materials Research (Volumes 532-533)

Pages:

20-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.532-533.20

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Online since:

June 2012

Authors:

Yi Zhu Wang, Guo Liang Zhang, Feng Bao Zhang, Xiao Bin Fan

Keywords:

Magnetic, Nitrogen Doping, Photocatalyst, Titanium Dioxide Nanotubes

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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