MgO-supported cluster catalysts with Pt-Ru interactions prepared from PtRu(CO)(μ-H)(μ-H)
Catalysis Letters, ISSN: 1011-372X, Vol: 115, Issue: 3-4, Page: 99-107
2007
- 12Citations
- 13Captures
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Article Description
Bimetallic MgO-supported catalysts were prepared by adsorption of Pt Ru(CO)(μ-H)(μ-H) on porous MgO. Characterization of the supported clusters by infrared (IR) spectroscopy showed that the adsorbed species were still in the form of metal carbonyls. The supported clusters were decarbonylated by treatment in flowing helium at 300 °C, as shown by IR and extended X-ray absorption fine structure (EXAFS) data, and the resulting supported PtRu clusters were shown by EXAFS spectroscopy to have metal frames that retained Pt-Ru bonds but were slightly restructured relative to those of the precursor; the average cluster size was almost unchanged as a result of the decarbonylation. These are among the smallest reported bimetallic clusters of group-8 metals. The decarbonylated sample catalyzed ethylene hydrogenation with an activity similar to that reported previously for γ-AlO-supported clusters prepared in nearly the same way and having nearly the same structure. Both samples were also active for n-butane hydrogenolysis, with the MgO-supported catalyst being more active than the γ-AlO -supported catalyst. © Springer Science+Business Media, LLC 2007.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=34249863302&origin=inward; http://dx.doi.org/10.1007/s10562-007-9119-4; https://link.springer.com/10.1007/s10562-007-9119-4; https://dx.doi.org/10.1007/s10562-007-9119-4; https://link.springer.com/article/10.1007/s10562-007-9119-4; http://www.springerlink.com/index/10.1007/s10562-007-9119-4; http://www.springerlink.com/index/pdf/10.1007/s10562-007-9119-4
Springer Science and Business Media LLC
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