A simple approach for preparing a visible-light TiO2 photocatalyst

A simple approach for preparing a visible-light TiO2 photocatalyst The surface of titanium dioxide nanoparticles has been chemically modified with toluene 2,4-di-isocyanate (TDI). The modified titanium dioxide can efficiently absorb visible irradiation. The samples were characterized by means of wide-angle X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), diffuse reflectance UV–Vis spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA). The as-prepared photocatalyst exhibited good photostability and photocatalytic performance in the degradation of organic compounds. For model organic pollutants, modified titanium dioxide had excellent visible-light photocatalytic performance and the surface chemistry linkage product had high photostability. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

A simple approach for preparing a visible-light TiO2 photocatalyst

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Publisher
Springer Netherlands
Copyright
Copyright © 2009 by Springer Science+Business Media B.V.
Subject
Chemistry; Inorganic Chemistry ; Physical Chemistry ; Catalysis
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-009-0093-x
Publisher site
See Article on Publisher Site

Abstract

The surface of titanium dioxide nanoparticles has been chemically modified with toluene 2,4-di-isocyanate (TDI). The modified titanium dioxide can efficiently absorb visible irradiation. The samples were characterized by means of wide-angle X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), diffuse reflectance UV–Vis spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA). The as-prepared photocatalyst exhibited good photostability and photocatalytic performance in the degradation of organic compounds. For model organic pollutants, modified titanium dioxide had excellent visible-light photocatalytic performance and the surface chemistry linkage product had high photostability.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Dec 8, 2009

References

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