The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Metallic Corner Atoms in Gold Clusters Supported on Rutile Are the Dominant Active Site during Water−Gas Shift Catalysis
Abstract
Au/TiO(2) catalysts used in the water-gas shift (WGS) reaction at 120 °C, 7% CO, 22% H(2)O, 9% CO(2), and 37% H(2) had rates up to 0.1 moles of CO converted per mole of Au per second. However, the rate per mole of Au depends strongly on the Au particle size. The use of a nonporous, model support allowed for imaging of the active catalyst and a precise determination of the gold size distribution using transmission electron microscopy (TEM) because all the gold is exposed on the surface. A physical model of Au/TiO(2) is used to show that corner atoms with fewer than seven neighboring gold atoms are the dominant active sites. The number of corner sites does not vary as particle size increases above 1 nm, giving the surprising result that the rate per gold cluster is independent of size.
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Citations
Cites
Identification of Active Gold Nanoclusters on Iron Oxide Supports for CO Oxidation
Herzing, A. A., Kiely, C. J., Carley, A. F., Landon, P., & Hutchings, G. J. (2008) · Science · doi:10.1126/science.1159639 · Cited by 1,530
Cited by
Well-Defined Materials for Heterogeneous Catalysis: From Nanoparticles to Isolated Single-Atom Sites
Li, Z., Ji, S., Liu, Y., Cao, X., Tian, S., Chen, Y., Niu, Z., & Li, Y. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00311 · Cited by 1,245
Schlögl, R. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201410738 · Cited by 1,043
Catalysis by Supported Gold Nanoparticles: Beyond Aerobic Oxidative Processes
Stratakis, M., & Garcia, H. (2012) · Chemical Reviews · doi:10.1021/cr3000785 · Cited by 803
Approaches for Understanding and Controlling Interfacial Effects in Oxide-Supported Metal Catalysts
Ro, I., Resasco, J., & Christopher, P. (2018) · ACS Catalysis · doi:10.1021/acscatal.8b02071 · Cited by 316
Metadata
- Authors
- Williams, W. D., Shekhar, M., Lee, W.-S., Kispersky, V., Delgass, W. N., Ribeiro, F. H., Kim, S. M., Stach, E. A., Miller, J. T., & Allard, L. F.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-09-20
- Volume
- 132
- Issue
- 40
- Pages
- 14018-14020
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2332388360
- Cited by
- 189
- References
- 1
- FWCI
- 5.56
- Type
- journal article
- Language
- en
- Open access
- closed
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
