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Characterization of the Pt-C bond of CO adsorbed by small Pt particles in a NaX zeolite by IR diffuse reflectance spectroscopy

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Abstract

The unusual properties of small (1–2 nm) Pt particles within a zeolite support are documented by diffuse reflectance infrared spectroscopy of the metal-carbon bond of linearly adsorbed CO. The wave number of the metal-carbon stretching frequency is found to be about 60 cm−1 higher compared to larger particles (2–3 nm) or to the bulk metal. The stronger bond is attributed to a negative charge on the small metal particles.

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Authors and Affiliations

  1. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 117071, Moscow, Russia

    V. B. Kazansky, V. Yu. Borovkov & N. Sokolova

  2. Institut für Angewandte und Physikalische Chemie, FB2-Universität Bremen, D-28334, Bremen, Germany

    N. I. Jaeger & G. Schulz-Ekloff

Authors
  1. V. B. Kazansky
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  2. V. Yu. Borovkov
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  3. N. Sokolova
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  4. N. I. Jaeger
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  5. G. Schulz-Ekloff
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Kazansky, V.B., Borovkov, V.Y., Sokolova, N. et al. Characterization of the Pt-C bond of CO adsorbed by small Pt particles in a NaX zeolite by IR diffuse reflectance spectroscopy. Catal Lett 23, 263–269 (1994). https://doi.org/10.1007/BF00811361

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  • DOI: https://doi.org/10.1007/BF00811361

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