期刊
VIBRATIONAL SPECTROSCOPY
卷 55, 期 2, 页码 295-299出版社
ELSEVIER
DOI: 10.1016/j.vibspec.2010.12.010
关键词
Vibrational properties; Physical chemistry; Surface science; High-resolution electron energy loss spectroscopy (HREELS); Oxygen similar to similar to carbon monoxide similar to nickel
High-resolution electron energy loss spectroscopy has been used to study the coadsorption of CO and O on Ni(1 1 1) and Ni(1 0 0) surfaces at 250 K. These vibrational measurements showed that with increasing surface coverage at 250 K. the preadsorbed O caused changes in the adsorption sites for the after-adsorbed CO molecules revealing, however, dissimilar adsite alterations for the two Ni single crystals. Also, a different behavior towards carbonate formation was found upon CO adsorption at 250 K on Ni(1 0 0) and Ni(1 1 1) surfaces precovered with O at 250 K. (C) 2010 Elsevier B.V. All rights reserved.
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