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FTIR evidence of the formation of platinum carbonyls from Pt metal clusters encaged in KL zeolite

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Abstract

Reactivity of Pt metal clusters supported on KL zeolite toward CO was studied by FTIR spectroscopy. Investigation of the CO adsorption was performed within a wide CO pressure range (1–500 mbar). IR data on the CO adsorption at high pressure (500 mbar) suggest the transformation of the finest Pt particles into neutral Pt carbonyls ((Zeol-O:) m Pt x (CO) y ) stabilized by the basic oxygen atoms of the KL framework. The transformation is found to be readily reversible upon CO adsorption-desorption at room temperature (RT).

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Authors and Affiliations

  1. N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 117913, Moscow, Russia

    A. Yu. Stakheev & E. S. Shpiro

  2. Institut für Angewandte und Physikalische Chemie, Universität Bremen, PF330 440, D-28334, Bremen, Germany

    N. I. Jaeger & G. Schulz-Ekloff

Authors
  1. A. Yu. Stakheev
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  2. E. S. Shpiro
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  3. N. I. Jaeger
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  4. G. Schulz-Ekloff
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Stakheev, A.Y., Shpiro, E.S., Jaeger, N.I. et al. FTIR evidence of the formation of platinum carbonyls from Pt metal clusters encaged in KL zeolite. Catal Lett 34, 293–303 (1995). https://doi.org/10.1007/BF00806878

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  • DOI: https://doi.org/10.1007/BF00806878

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