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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-Singapore: World Scientific.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-164E-6 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-164F-4
Genre: Conference Paper

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 Creators:
Denzler, Daniel N.1, Author           
Hess, Christian2, Author           
Funk, Stephan1, Author           
Ertl, Gerhard1, Author           
Bonn, Mischa1, Author           
Frischkorn, Christian1, Author           
Wolf, Martin1, Author           
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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 Abstract: 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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Language(s): eng - English
 Dates: 2002
 Publication Status: Issued
 Pages: XVIII, 834 p.
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 8260
 Degree: -

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Title: Femtochemistry V
Place of Event: University of Castilla-La Mancha, Toledo, Spain
Start-/End Date: 2001-09-02 - 2001-09-06

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Title: Femtochemistry and Femtobiolgy – Ultrafast Dynamics in Molecular Science
Source Genre: Proceedings
 Creator(s):
Douhal, Abderrazzak, Editor
Santamaria, Jesus, Editor
Affiliations:
-
Publ. Info: New Jersey-Singapore : World Scientific
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 652 - 663 Identifier: ISBN: 981-02-4866-0