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Journal Article

Femtosecond dynamics of chemical reactions at surfaces

MPS-Authors
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Hess,  Christian
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Funk,  Stephan
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Bonn,  Mischa
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
Leiden Institute of Chemistry;

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Denzler,  Daniel N.
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Wolf,  Martin
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Ertl,  Gerhard
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Hess, C., Funk, S., Bonn, M., Denzler, D. N., Wolf, M., & Ertl, G. (2000). Femtosecond dynamics of chemical reactions at surfaces. Applied Physics A, 71(5), 477-483. doi:10.1007/s003390000703.


Cite as: https://hdl.handle.net/21.11116/0000-0009-4741-E
Abstract
One of the major goals in physical chemistry is to obtain a microscopic understanding of chemical reactions. Recent developments in femtosecond laser techniques provide
the opportunity to resolve the timescale of elementary steps of chemical reactions at surfaces. This is exemplified for the femtosecond laser-induced oxidation of CO on Ru(001). Among other adsorbate-specific probes vibrational sum-frequency generation spectroscopy offers the possibility to monitor adsorbates or reaction intermediates directly at the surface. Recently, we have employed this technique to investigate the dynamics of the CO-stretch vibration of CO adsorbed on Ru(001) after optical excitation leading to CO desorption.