Issue 16, 2004
From the journal:

Physical Chemistry Chemical Physics

Breaking the strong and weak bonds of OHF− using few-cycle IR + UV laser pulses

Nadia Elghobashia  and  Leticia González*a  

* Corresponding authors

a Institut für Chemie, Physikalische und Theoretische Chemie, Freie Universität Berlin, Takustrasse 3, Berlin, Germany
E-mail: leti@chemie.fu-berlin.de

Abstract

Results of quantum dynamical simulations of the selective bond breaking of OHF− are presented. A few-cycle IR laser pulse is designed to excite a superposition of asymmetric vibrational eigenstates such that the resulting wavepacket is shifted from its equilibrium position. After a critical time delay, a resonant ultrashort UV pulse is applied that excites the wavepacket to a neutral, dissociative surface and selectively breaks the already extended bond. Thus the preferential products O + HF or OH + F can be obtained by applying the appropriate sequence of few-cycle IR + UV laser pulses, and branching ratios are optimized for both dissociation channels.

Graphical abstract: Breaking the strong and weak bonds of OHF− using few-cycle IR + UV laser pulses

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Article information

DOI
https://doi.org/10.1039/B409446H
Article type
Communication
Submitted
21 Jun 2004
Accepted
06 Jul 2004
First published
15 Jul 2004

Phys. Chem. Chem. Phys., 2004,6, 4071-4073

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Breaking the strong and weak bonds of OHF− using few-cycle IR + UV laser pulses

N. Elghobashi and L. González, Phys. Chem. Chem. Phys., 2004, 6, 4071 DOI: 10.1039/B409446H

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