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Effects of Li+, K+, and Ba2+ Cations on the ORR at Model and High Surface Area Pt and Au Surfaces in Alkaline Solutions
Abstract
This Letter reveals new findings on the influence of noncovalent interactions on the electrochemical interface. Using surface X-ray scattering, we demonstrate that the barium cations are located at 3.4 Å away from the surface, suggesting that they are partially hydrated, though not adsorbed at the surface. The effect of the cation on the oxygen reduction reaction (ORR) ranges from significant (Pt) to little (Au), depending on the nature of the metal and cation. Finally, we show that these results, as obtained on well-defined single-crystal surfaces, correlate well with observations on high surface area nanoparticle catalysts.
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Cited by
Progress and perspectives of electrochemical CO2 reduction on copper in aqueous electrolyte
Nitopi, S., Bertheussen, E., Scott, S. B., Liu, X., Engstfeld, A. K., Horch, S., Seger, B., Stephens, I. E. L., Chan, K., Hahn, C., et al. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00705 · Cited by 5,223
Subbaraman, R., Tripkovic, D., Chang, K.-C., Strmcnik, D., Paulikas, A. P., Hirunsit, P., Chan, M., Greeley, J., Stamenkovic, V., & Markovic, N. M. (2012) · Nature Materials · doi:10.1038/nmat3313 · Cited by 3,053
Self-citationLi, P., Jiang, Y., Hu, Y., Men, Y., Liu, Y., Cai, W., & Chen, S. (2022) · Nature Catalysis · doi:10.1038/s41929-022-00846-8 · Cited by 852
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Metadata
- Authors
- Strmcnik, D., van der Vliet, D. F., Chang, K.-C., Komanicky, V., Kodama, K., You, H., Stamenkovic, V. R., & Marković, N. M.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-10-14
- Volume
- 2
- Issue
- 21
- Pages
- 2733-2736
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W318309601
- Cited by
- 180
- References
- 0
- FWCI
- 2.89
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Effects of Li+, K+, and Ba2+ Cations on the ORR at Model and High Surface Area Pt and Au Surfaces in Alkaline Solutions. https://app.cochat.ai/papers/10.1021/jz201215u
- The paper
- Strmcnik, D., van der Vliet, D. F., Chang, K.-C., Komanicky, V., Kodama, K., You, H., Stamenkovic, V. R., & Marković, N. M. (2011). Effects of Li+, K+, and Ba2+ Cations on the ORR at Model and High Surface Area Pt and Au Surfaces in Alkaline Solutions. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz201215u
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
