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Acetone chemistry on oxidized ad reduced TiO2(110)

Article Abstract:

The chemistry of acetone on the oxidized and reduced surfaces of TiO(sub 2)(110) is examined by using temperature programmed desorption (TPD) a high-resolution electron energy-loss spectroscopy (HREELS). The reduced surface is prepared with about seven percent oxygen vacancy sites by annealing in ultrahigh vacuum at 850 K and the oxidized surface is prepared by exposure of the reduced surface to molecular oxygen at 95 K.

Author: Henderson, Michael A.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
Spectra

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Photooxidation of acetone on TiO2(110): Conversion to acetate via methyl radical ejection

Article Abstract:

Acetone photooxidation on TiO2(110) is shown to involve a thermal reaction between acetone and an adsorbed oxygen species to form an acetone-oxygen complex. This complex photodecomposes via photogenerated charge carriers in the substrate through a mechanism involving methyl radical ejection from the surface and conversion of the complex to surface bound acetate.

Author: Henderson, Michael A.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
Science & research, Research, Oxidation-reduction reaction, Oxidation-reduction reactions

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Subjects list: Titanium compounds, Chemical properties, Acetone
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