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PREPARATION OF BIMETALLICPtnPdmSUPPORTED CLUSTERS WITH WELL-DEFINED STOICHIOMETRY

Author

Listed:
  • J.L. ROUSSET

    (Institut de Recherches sur la Catalyse-CNRS, 2 Av. Albert Einstein, 69626 Villeurbanne, Cedex, France)

  • A.M. CADROT

    (Institut de Recherches sur la Catalyse-CNRS, 2 Av. Albert Einstein, 69626 Villeurbanne, Cedex, France)

  • F. SANTOS AIRES

    (Institut de Recherches sur la Catalyse-CNRS, 2 Av. Albert Einstein, 69626 Villeurbanne, Cedex, France)

  • A. RENOUPREZ

    (Institut de Recherches sur la Catalyse-CNRS, 2 Av. Albert Einstein, 69626 Villeurbanne, Cedex, France)

  • P. MÉLINON

    (Département de Physique des Mateŕiaux, Université Claude Bernard Lyon I, 43 Bd du 11 nov 1918, 69622 Villeurbanne, Cedex, France)

  • A. PEREZ

    (Département de Physique des Mateŕiaux, Université Claude Bernard Lyon I, 43 Bd du 11 nov 1918, 69622 Villeurbanne, Cedex, France)

  • M. PELLARIN

    (Laboratoire de Spectrométrie Ionique et Moléculaire, Université Claude Bernard Lyon I, 43 Bd du 11 nov 1918, 69622 Villeurbanne, Cedex, France)

  • J.L. VIALLE

    (Laboratoire de Spectrométrie Ionique et Moléculaire, Université Claude Bernard Lyon I, 43 Bd du 11 nov 1918, 69622 Villeurbanne, Cedex, France)

  • M. BROYER

    (Laboratoire de Spectrométrie Ionique et Moléculaire, Université Claude Bernard Lyon I, 43 Bd du 11 nov 1918, 69622 Villeurbanne, Cedex, France)

Abstract

Supported bimetallic Pd-Pt clusters with a well-defined stoichiometry are produced using a laser-vaporization source. Free clusters are also studied by time-of-flight mass spectrometry and photofragmentation. The supported clusters are characterized by energy dispersive x-ray analysis. The low binding energy of palladium atoms compared to that of platinum is clearly demonstrated in both free and supported clusters. The reactivity is briefly discussed.

Suggested Citation

  • J.L. Rousset & A.M. Cadrot & F. Santos Aires & A. Renouprez & P. Mélinon & A. Perez & M. Pellarin & J.L. Vialle & M. Broyer, 1996. "PREPARATION OF BIMETALLICPtnPdmSUPPORTED CLUSTERS WITH WELL-DEFINED STOICHIOMETRY," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 1171-1176.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96002102
    DOI: 10.1142/S0218625X96002102
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