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Surface Chemistry of Cu in the Presence of CO2 and H2O
Open accessAbstract
The chemical nature of copper and copper oxide (Cu 2O) surfaces in the presence of CO 2 and H 2O at room temperature was investigated using ambient pressure X-ray photoelectron spectroscopy. The studies reveal that in the presence of 0.1 torr CO 2 several species form on the initially clean Cu, including carbonate CO 3 (2) (-), CO 2 (delta-) and C (0), while no modifications occur on an oxidized surface. The addition of 0.1 ML Zn to the Cu results in the complete conversion of CO 2 (delta-) to carbonate. In a mixture of 0.1 torr H 2O and 0.1 torr CO 2, new species are formed, including hydroxyl, formate and methoxy, with H 2O providing the hydrogen needed for the formation of hydrogenated species.
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Cited by
Highly active copper-ceria and copper-ceria-titania catalysts for methanol synthesis from CO 2
Graciani, J., Mudiyanselage, K., Xu, F., Baber, A. E., Evans, J., Senanayake, S. D., Stacchiola, D. J., Liu, P., Hrbek, J., Sanz, J. F., et al. (2014) · Science · doi:10.1126/science.1253057 · Cited by 1,452
Adsorption of CO 2 on Graphene: A Combined TPD, XPS, and vdW-DF Study
Takeuchi, K., Yamamoto, S., Hamamoto, Y., Shiozawa, Y., Tashima, K., Fukidome, H., Koitaya, T., Mukai, K., Yoshimoto, S., Suemitsu, M., et al. (2017) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.6b11373 · Cited by 116
Metadata
- Authors
- Deng, X., Verdaguer, A., Herranz, T., Weis, C., Bluhm, H., & Salmeron, M.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-07-23
- Volume
- 24
- Issue
- 17
- Pages
- 9474-9478
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W164929036
- Cited by
- 227
- References
- 0
- FWCI
- 2.89
- Type
- journal article
- Language
- en
- Open access
- green
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- Deng, X., Verdaguer, A., Herranz, T., Weis, C., Bluhm, H., & Salmeron, M. (2008). Surface Chemistry of Cu in the Presence of CO2 and H2O. Langmuir. https://doi.org/10.1021/la8011052
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