Krishnamurthy, M. ; Mathur, D. (2004) Strong light fields coax intramolecular reactions on femtosecond time scales The Journal of Chemical Physics, 121 (20). pp. 9765-9768. ISSN 0021-9606
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Official URL: http://link.aip.org/link/?JCPSA6/121/9765/1
Related URL: http://dx.doi.org/10.1063/1.1819895
Abstract
Energetic H2+ ions are formed as a result of intramolecular rearrangement during fragmentation of linear alcohols (methanol, ethanol, propanol, hexanol, and dodecanol) induced by intense, pulsed optical fields. The laser intensity regime that is accessed in these experiments (peak intensity of 8×1015Wcm-2) ensures multiple ionization of the irradiated alcohol molecules such that Coulomb explosions would be expected to dominate the overall fragmentation dynamics. Polarization dependent measurements show, counterintuitively, that rearrangement is induced by the strong optical field within a single, 100 fs long laser pulse, and that it occurs before Coulomb explosion of the field-ionized multiply charged alcohols.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | Photodissociation; Isomerisation; Organic Compounds; Photoionisation; Time Of Flight Spectra |
| ID Code: | 77590 |
| Deposited On: | 13 Jan 2012 11:41 |
| Last Modified: | 13 Jan 2012 11:41 |
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