The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Synergistic Effect in an Au−Ag Alloy Nanocatalyst: CO Oxidation
Abstract
Au-Ag alloy nanoparticles supported on mesoporous aluminosilicate have been prepared by one-pot synthesis using hexadecyltrimethylammonium bromide (CTAB) both as a stabilizing agent for nanoparticles and as a template for the formation of mesoporous structure. The formation of Au-Ag alloy nanoparticles was confirmed by X-ray diffraction (XRD), ultraviolet-visible (UV-vis) spectroscopy, and transmission electron microscopy (TEM). Although the Au-Ag alloy nanoparticles have a larger particle size than the monometallic gold particles, they exhibited exceptionally high activity in catalysis for low-temperature CO oxidation. Even at a low temperature of 250 K, the reaction rate can reach 8.7 x 10(-6) mol.g(cat.)(-1).s(-1) at an Au/Ag molar ratio of 3/1. While neither monometallic Au@MCM-41 nor Ag@MCM-41 shows activity at this temperature, the Au-Ag alloy system shows a strongly synergistic effect in high catalytic activity. In this alloy system, the size effect is no longer a critical factor, whereas Ag is believed to play a key role in the activation of oxygen.
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Cites
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Activity of SiO2 supported gold-palladium catalysts in CO oxidation
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Cited by
Nanoparticles as Recyclable Catalysts: The Frontier between Homogeneous and Heterogeneous Catalysis
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Synergistic Catalysis over Bimetallic Alloy Nanoparticles
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Nanoporous gold: a new material for catalytic and sensor applications
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Au–Cu Alloy nanoparticles confined in SBA-15 as a highly efficient catalyst for CO oxidation
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Self-citation
Metadata
- Authors
- Liu, J.-H., Wang, A.-Q., Chi, Y.-S., Lin, H.-P., & Mou, C.-Y.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-12-08
- Volume
- 109
- Issue
- 1
- Pages
- 40-43
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2079164364
- Cited by
- 377
- References
- 11
- FWCI
- 4.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, J.-H., Wang, A.-Q., Chi, Y.-S., Lin, H.-P., & Mou, C.-Y. (2005). Synergistic Effect in an Au−Ag Alloy Nanocatalyst: CO Oxidation. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp044938g
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