Preparation of Nb2O5 and N co-doped TiO2 photocatalysts and their enhanced photocatalytic activities under visible light

Preparation of Nb2O5 and N co-doped TiO2 photocatalysts and their enhanced photocatalytic... Niobium pentaoxide (Nb2O5) and nitrogen co-doped TiO2 photocatalysts were prepared by mechanical alloying with Nb2O5, TiO2 and urea as raw materials. The pure TiO2 powders of Degussa P25 were chosen as precursor. Chemical and physical properties of the Nb2O5 and N co-doped TiO2 photocatalysts were investigated, including XRD patterns, XPS spectra, DRS spectra, FT-IR spectra and N2 adsorption-desorption isotherms. Experiments on photodegradation of methylene blue (MB) and sulfosalicylic acid (SSA) under visible light were carried out to evaluate the photoactivities of the prepared samples, and the chemical oxygen demand (COD) analysis was also conducted as a comparison. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Preparation of Nb2O5 and N co-doped TiO2 photocatalysts and their enhanced photocatalytic activities under visible light

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Publisher
Springer Netherlands
Copyright
Copyright © 2008 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856708784040650
Publisher site
See Article on Publisher Site

Abstract

Niobium pentaoxide (Nb2O5) and nitrogen co-doped TiO2 photocatalysts were prepared by mechanical alloying with Nb2O5, TiO2 and urea as raw materials. The pure TiO2 powders of Degussa P25 were chosen as precursor. Chemical and physical properties of the Nb2O5 and N co-doped TiO2 photocatalysts were investigated, including XRD patterns, XPS spectra, DRS spectra, FT-IR spectra and N2 adsorption-desorption isotherms. Experiments on photodegradation of methylene blue (MB) and sulfosalicylic acid (SSA) under visible light were carried out to evaluate the photoactivities of the prepared samples, and the chemical oxygen demand (COD) analysis was also conducted as a comparison.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 15, 2009

References

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