Determination of the crotonaldehyde structures on Pt and PtSn surface alloys from a combined experimental and theoretical study

Jan Haubrich, David Loffreda, Françoise Delbecq, Yvette Jugnet, Philippe Sautet, Aleksander Krupski, Conrad Becker, Klaus Wandelt

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A complementary experimental and theoretical study of the alloying effects of Sn on the molecule–surface bonding of crotonaldehyde on Pt(1 1 1) is presented. By comparing high-resolution electron energy loss spectroscopy (HREELS) data and density-functional theory (DFT) calculations of vibrational spectra from a complete set of possible adsorption configurations of crotonaldehyde on the Pt(1 1 1) and Pt2Sn(1 1 1) surfaces, we are able to identify the adsorption structures present on the surface. An interpretation of the HREELS spectra for these highly complex systems is proposed and the effect of alloying with Sn on the molecule–surface interactions is addressed.
    Original languageEnglish
    Pages (from-to)188-192
    JournalChemical Physics Letters
    Volume433
    Issue number1-3
    DOIs
    Publication statusPublished - 29 Dec 2006

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