CO adsorption on Au(310) and Au(321): 6-Fold coordinated gold atoms
(2009) In Surface Science 603(13). p.2152-2157- Abstract
- The adsorption of CO on Au(310) and Au(321) was studied using a combination of thermal desorption spectroscopy and high resolution core level photoemission spectroscopy. These vicinal Au surfaces both have 6-fold coordinated atoms at the step edges but have a different terrace structure. The CO adsorption behavior was found to be very similar for both surfaces. Three different desorption peaks due to chemisorbed CO were identified, which desorb around 100 K(alpha), 120 K(beta) and 180 K(gamma), respectively. The C1s and O1s spectra of the chemisorbed CO show a complex shake-up structure. Our experimental results indicate that CO only adsorbs on the step atoms. The different desorption peaks are explained by substrate-mediated long-range... (More)
- The adsorption of CO on Au(310) and Au(321) was studied using a combination of thermal desorption spectroscopy and high resolution core level photoemission spectroscopy. These vicinal Au surfaces both have 6-fold coordinated atoms at the step edges but have a different terrace structure. The CO adsorption behavior was found to be very similar for both surfaces. Three different desorption peaks due to chemisorbed CO were identified, which desorb around 100 K(alpha), 120 K(beta) and 180 K(gamma), respectively. The C1s and O1s spectra of the chemisorbed CO show a complex shake-up structure. Our experimental results indicate that CO only adsorbs on the step atoms. The different desorption peaks are explained by substrate-mediated long-range interactions between the adsorbates. Comparison with literature results shows that the CO adsorption energy is not only dependent on the coordination number of the Au atoms, but that the exact geometrical structure of the surface also plays a role. (C) 2009 Elsevier B.V. All rights reserved. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1441556
- author
- Weststrate, C. J. ; Lundgren, Edvin LU ; Andersen, Jesper N LU ; Rienks, E. D. L. ; Gluhoi, A. C. ; Bakker, J. W. ; Groot, I. M. N. and Nieuwenhuys, B. E.
- organization
- publishing date
- 2009
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Au, Gold, Vicinal gold surface, CO adsorption, XPS
- in
- Surface Science
- volume
- 603
- issue
- 13
- pages
- 2152 - 2157
- publisher
- Elsevier
- external identifiers
-
- wos:000267083500026
- scopus:65549136185
- ISSN
- 0039-6028
- DOI
- 10.1016/j.susc.2009.04.026
- language
- English
- LU publication?
- yes
- id
- 5182fe4a-9d94-43b7-8964-824db2ea7703 (old id 1441556)
- date added to LUP
- 2016-04-01 14:25:55
- date last changed
- 2022-03-14 05:53:17
@article{5182fe4a-9d94-43b7-8964-824db2ea7703, abstract = {{The adsorption of CO on Au(310) and Au(321) was studied using a combination of thermal desorption spectroscopy and high resolution core level photoemission spectroscopy. These vicinal Au surfaces both have 6-fold coordinated atoms at the step edges but have a different terrace structure. The CO adsorption behavior was found to be very similar for both surfaces. Three different desorption peaks due to chemisorbed CO were identified, which desorb around 100 K(alpha), 120 K(beta) and 180 K(gamma), respectively. The C1s and O1s spectra of the chemisorbed CO show a complex shake-up structure. Our experimental results indicate that CO only adsorbs on the step atoms. The different desorption peaks are explained by substrate-mediated long-range interactions between the adsorbates. Comparison with literature results shows that the CO adsorption energy is not only dependent on the coordination number of the Au atoms, but that the exact geometrical structure of the surface also plays a role. (C) 2009 Elsevier B.V. All rights reserved.}}, author = {{Weststrate, C. J. and Lundgren, Edvin and Andersen, Jesper N and Rienks, E. D. L. and Gluhoi, A. C. and Bakker, J. W. and Groot, I. M. N. and Nieuwenhuys, B. E.}}, issn = {{0039-6028}}, keywords = {{Au; Gold; Vicinal gold surface; CO adsorption; XPS}}, language = {{eng}}, number = {{13}}, pages = {{2152--2157}}, publisher = {{Elsevier}}, series = {{Surface Science}}, title = {{CO adsorption on Au(310) and Au(321): 6-Fold coordinated gold atoms}}, url = {{http://dx.doi.org/10.1016/j.susc.2009.04.026}}, doi = {{10.1016/j.susc.2009.04.026}}, volume = {{603}}, year = {{2009}}, }