Abstract
This review is a summary of supported metal clusters with nearly molecular properties. These clusters are formed by adsorption or surface-mediated synthesis of metal carbonyl clusters, some of which may be decarbonylated with the metal frame essentially intact. The decarbonylated clusters are bonded to oxide or zeolite supports by metal--oxygen bonds, typically with distances of 2.1–2.2 Å; they are typically not free of ligands other than the support, and on oxide surfaces they are preferentially bonded at defect sites. The catalytic activities of supported metal clusters incorporating only a few atoms are distinct from those of larger particles that may approximate bulk metals.
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Abbreviations
- EXAFS:
-
Extended X-ray absorption fine structure
- TEM:
-
Transmission electron microscopy
- TOF:
-
Turnover frequency
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Acknowledgments
This work was supported by the U.S. Department of Energy, Office of Energy Research, Office of Basic Energy Sciences, contract FG02-04ER15513FG0, and the Petroleum Research Fund, administered by the American Chemical Society.
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Gates, B.C. Oxide- and Zeolite-supported “Molecular” Metal Clusters: Synthesis, Structure, Bonding, and Catalytic Properties. In: Copéret, C., Chaudret, B. (eds) Surface and Interfacial Organometallic Chemistry and Catalysis. Topics in Organometallic Chemistry, vol 16. Springer, Berlin, Heidelberg. https://doi.org/10.1007/b138078
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DOI: https://doi.org/10.1007/b138078
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