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The Promotional Effect of Gold in Catalysis by Palladium-Gold
Abstract
Acetoxylation of ethylene to vinyl acetate (VA) was used to investigate the mechanism of the promotional effect of gold (Au) in a palladium (Pd)-Au alloy catalyst. The enhanced rates of VA formation for low Pd coverages relative to high Pd coverages on Au single-crystal surfaces demonstrate that the critical reaction site for VA synthesis consists of two noncontiguous, suitably spaced, Pd monomers. The role of Au is to isolate single Pd sites that facilitate the coupling of critical surface species to product, while inhibiting the formation of undesirable reaction by-products.
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Cites
The Role of Atomic Ensembles in the Reactivity of Bimetallic Electrocatalysts
Maroun, F., Ozanam, F., Magnussen, O. M., & Behm, R. J. (2001) · Science · doi:10.1126/science.1061696 · Cited by 480
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Nanoalloys: From Theory to Applications of Alloy Clusters and Nanoparticles
Ferrando, R., Jellinek, J., & Johnston, R. L. (2008) · Chemical Reviews · doi:10.1021/cr040090g · Cited by 3,690
Lattice-strain control of the activity in dealloyed core–shell fuel cell catalysts
Strasser, P., Koh, S., Anniyev, T., Greeley, J., More, K., Yu, C., Liu, Z., Kaya, S., Nordlund, D., Ogasawara, H., et al. (2010) · Nature Chemistry · doi:10.1038/nchem.623 · Cited by 2,984
Solvent-Free Oxidation of Primary Alcohols to Aldehydes Using Au-Pd/TiO 2 Catalysts
Enache, D. I., Edwards, J. K., Landon, P., Solsona-Espriu, B., Carley, A. F., Herzing, A. A., Watanabe, M., Kiely, C. J., Knight, D. W., & Hutchings, G. J. (2006) · Science · doi:10.1126/science.1120560 · Cited by 2,106
Strain-controlled electrocatalysis on multimetallic nanomaterials
Luo, M., & Guo, S. (2017) · Nature Reviews Materials · doi:10.1038/natrevmats.2017.59 · Cited by 1,115
Liu, L., & Corma, A. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00733 · Cited by 689
Metadata
- Authors
- Chen, M., Kumar, D., Yi, C.-W., & Goodman, D. W.
- Venue
- Science
- Published
- 2005-10-14
- Volume
- 310
- Issue
- 5746
- Pages
- 291-293
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2100657568
- Cited by
- 988
- References
- 1
- FWCI
- 19.15
- Type
- journal article
- Language
- en
- Open access
- closed
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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.
