Visible-light-sensitive N-doped TiO2 photocatalysts prepared by a mechanochemical method: effect of a nitrogen source

Visible-light-sensitive N-doped TiO2 photocatalysts prepared by a mechanochemical method: effect... Nitrogen-doped titanium dioxide (N-doped TiO2) photocatalysts were prepared by a mechanochemical method by using a high-speed ball milling of P25 TiO2 with nitrogen sources such as ammonia solution, hexamine, and urea. Visible-light absorption was determined from the onset of diffused reflectance spectrum. The photocatalytic activity of the N-doped TiO2 was evaluated through the removal of methylene blue (MB) under visible-light irradiation. The effects of nitrogen precursors used during the mechanochemical synthesis on the catalysts’ properties, such as the effective particle size, surface area, and photocatalytic activity, were extensively investigated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Visible-light-sensitive N-doped TiO2 photocatalysts prepared by a mechanochemical method: effect of a nitrogen source

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Publisher
Springer Netherlands
Copyright
Copyright © 2009 by Springer Science + Business Media BV
Subject
Chemistry; Inorganic Chemistry ; Physical Chemistry ; Catalysis
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-009-0030-z
Publisher site
See Article on Publisher Site

Abstract

Nitrogen-doped titanium dioxide (N-doped TiO2) photocatalysts were prepared by a mechanochemical method by using a high-speed ball milling of P25 TiO2 with nitrogen sources such as ammonia solution, hexamine, and urea. Visible-light absorption was determined from the onset of diffused reflectance spectrum. The photocatalytic activity of the N-doped TiO2 was evaluated through the removal of methylene blue (MB) under visible-light irradiation. The effects of nitrogen precursors used during the mechanochemical synthesis on the catalysts’ properties, such as the effective particle size, surface area, and photocatalytic activity, were extensively investigated.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Mar 4, 2009

References

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