Journal
CHEMICAL PHYSICS LETTERS
Volume 460, Issue 1-3, Pages 10-12Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2008.05.056
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Reflection-absorption infra red spectroscopy (RAIRS) has been successfully used to study a prototype photochemical reaction: the photooxidation of CO over rutile TiO2(110) single crystal surfaces. RAIRS-results revealed the presence of irreversibly adsorbed CO on top of the five fold coordinated surface Ti atoms with a vibration frequency of 2190 cm (1) at 110 K. Because fundamental problems have so far prohibited the detection of CO on metal oxide single crystals with IR-spectroscopy (in contrast to the situation for powders), high resolution electron energy loss spectroscopy (HREELS) was also employed for further confirmation. (C) 2008 Elsevier B. V. All rights reserved.
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