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Formic Acid Oxidation on Ultrathin Pd Films on Au(hkl) and Pt(hkl) Electrodes
Abstract
The oxidation of formic acid on thin, epitaxially-grown Pd overlayers on Au and Pt single crystal electrodes was studied as a function of overlayer thickness ranging from submonolayer coverages up to the equivalent of 10 monolayers. The results were compared with those for massive Pd single crystal surfaces. The electrocatalytic properties of the Pd overlayers were found to depend markedly on their thickness and on their crystallographic orientation. Pd(100) showed the highest catalytic activity of all three low-index faces, and Pd films on Pt( hkl ), even when two or three layers thick, generally exhibited a much higher activity than Pd films on Au( hkl ) or massive Pd( hkl ). In all cases a high resistivity of the Pd surfaces against poisoning by CO was observed, which makes Pd an interesting alternative to the often quickly deactivated Pt as catalyst for organic fuel cell reactions.
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Cited by
Shaping binary metal nanocrystals through epitaxial seeded growth
Habas, S. E., Lee, H., Radmilovic, V., Somorjai, G. A., & Yang, P. (2007) · Nature Materials · doi:10.1038/nmat1957 · Cited by 1,205
Zhang, J., Vukmirovic, M. B., Xu, Y., Mavrikakis, M., & Adzic, R. R. (2005) · Angewandte Chemie International Edition · doi:10.1002/anie.200462335 · Cited by 1,106
Tuning Reaction Rates by Lateral Strain in a Palladium Monolayer
Kibler, L. A., El‐Aziz, A. M., Hoyer, R., & Kolb, D. M. (2005) · Angewandte Chemie International Edition · doi:10.1002/anie.200462127 · Cited by 573
Self-citationJin, M., Zhang, H., Xie, Z., & Xia, Y. (2012) · Energy Environ. Sci. · doi:10.1039/c2ee02866b · Cited by 398
Shape control of platinum and palladium nanoparticles for catalysis
Cheong, S., Watt, J. D., & Tilley, R. D. (2010) · Nanoscale · doi:10.1039/c0nr00276c · Cited by 342
Metadata
- Authors
- Baldauf, M., & Kolb, D. M.
- Venue
- The Journal of Physical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 1996-01-01
- Volume
- 100
- Issue
- 27
- Pages
- 11375-11381
- ISSN
- 0022-3654 (ISSN-L)
- 1541-5740
- OpenAlex
- W2031212116
- Cited by
- 389
- References
- 0
- FWCI
- 4.26
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Formic Acid Oxidation on Ultrathin Pd Films on Au(hkl) and Pt(hkl) Electrodes. https://app.cochat.ai/papers/10.1021/jp952859m
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- Baldauf, M., & Kolb, D. M. (1996). Formic Acid Oxidation on Ultrathin Pd Films on Au(hkl) and Pt(hkl) Electrodes. The Journal of Physical Chemistry. https://doi.org/10.1021/jp952859m
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