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dc.contributor.authorOtten, D.
dc.contributor.authorTrevitt, B.
dc.contributor.authorNichols, G.
dc.contributor.authorMetha, G.
dc.contributor.authorBuntine, Mark
dc.date.accessioned2017-01-30T12:42:29Z
dc.date.available2017-01-30T12:42:29Z
dc.date.created2012-12-03T07:24:54Z
dc.date.issued2003
dc.identifier.citationOtten, Dale E. and Trevitt, Adam J. and Nichols, Benjamin D. and Metha, Gregory F. and Buntine, Mark A. 2003. Infrared laser desorption of hydroquinone from a water-ethanol liquid beam. Journal of Physical Chemistry A 107: pp. 6130-6135.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/24356
dc.identifier.doi10.1021/jp022248b
dc.description.abstract

We have investigated the 1.9-mum IR desorption of hydroquinone in a water/ethanol liquid beam under relatively high desorption laser fluences (1316 and 2632 mJ cm(-2) pulse(-1)). The appearance of the IR desorption/UV ionization TOF mass spectrum of hydroquinone (HQ) is interpreted in terms of dissociation of solvated HQ clusters during the ionization event. The maximum in the hydroquinone desorption velocity distribution is 300 ms-1, and the translational temperature of the desorbed species is approximately 1500 K. We see no evidence for an acoustic compression - ejection mechanism, suggesting that such a process is operative at desorption laser fluences lower than employed here. Our results suggest a general mechanism for the high-powered IR desorption from a liquid beam whereby desorbed species are ejected into the vacuum possessing considerable translational energy but remain internally cool.

dc.publisherAmerican Chemical Society
dc.subjectevaporation
dc.subjectcomplexes
dc.subjectirradiation
dc.subjectIonization/desorption mass-spectrometry
dc.subjectmolecules
dc.subjectspectroscopy
dc.titleInfrared laser desorption of hydroquinone from a water-ethanol liquid beam
dc.typeJournal Article
dcterms.source.volume107
dcterms.source.startPage6130
dcterms.source.endPage6135
dcterms.source.issn10895639
dcterms.source.titleJournal of Physical Chemistry A
curtin.department
curtin.accessStatusFulltext not available


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