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  Surface femtochemistry: Ultrafast reaction dynamics driven by hot electron mediated reaction pathways

Denzler, D. N., Hess, C., Funk, S., Ertl, G., Bonn, M., Frischkorn, C., et al. (2002). Surface femtochemistry: Ultrafast reaction dynamics driven by hot electron mediated reaction pathways. In A. Douhal, & J. Santamaria (Eds.), Femtochemistry and Femtobiolgy – Ultrafast Dynamics in Molecular Science (pp. 652-663). New Jersey: World Scientific.

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 Urheber:
Denzler, Daniel N.1, Autor           
Hess, Christian2, Autor           
Funk, Stephan1, Autor           
Ertl, Gerhard1, Autor           
Bonn, Mischa, Autor
Frischkorn, Christian, Autor
Wolf, Martin, Autor
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Zusammenfassung: Fundamental insights into the ultrafast dynamics of energy transfer processes at surfaces are of central importance for a microscopic understanding of chemical reactions at solid surfaces, e.g. in heterogeneous catalysis. The detailed investigation of the rates and pathways of energy flow in the adsorbate-substrate system as well as the chemical dynamics has become possible utilizing intense femtosecond laser pulses. Surprisingly, the strong non-equilibrium situation that arises upon irradiation with these pulses results in a new reaction channel caused by hot electron excitation for a number of systems investigated. This electron-mediated reaction mechanism is exemplified here for the model reaction H-ad + H-ad –> H-2,g on Ru(001) and discussed in the broader context of other simple reactions such as the formation of H2O, CO2 and the CO desorption on the same surface.

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Sprache(n): eng - English
 Datum: 2002
 Publikationsstatus: Erschienen
 Seiten: XVIII, 834
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 8260
DOI: 10.1142/9789812777980_0063
 Art des Abschluß: -

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Titel: Femtochemistry V
Veranstaltungsort: University of Castilla-La Mancha, Toledo, Spain
Start-/Enddatum: 2001-09-02 - 2001-09-06

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Titel: Femtochemistry and Femtobiolgy – Ultrafast Dynamics in Molecular Science
Genre der Quelle: Konferenzband
 Urheber:
Douhal, Abderrazzak, Herausgeber
Santamaria, Jesus, Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: New Jersey : World Scientific
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 652 - 663 Identifikator: ISBN: 981-02-4866-0
DOI: 10.1142/4892