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dc.contributor.authorHolstein, W.-
dc.contributor.authorDobeck, L.-
dc.contributor.authorOtten, D.-
dc.contributor.authorMetha, G.-
dc.contributor.authorBuntine, M.-
dc.identifier.citationAustralian Journal of Chemistry: an international journal for chemical science, 2003; 56(5):481-487-
dc.description© CSIRO 2003-
dc.description.abstractResonance-enhanced 266 nm 1 + 1 multiphoton ionization has been used in conjunction with a liquid microjet time-of-flight mass spectrometer to explore the photochemistry of a 10⁻³ M solution of anisole in ethanol. Only ions generated in the condensed phase originating from the three-photon non-resonant ionization of the ethanol solvent are liberated into the vacuum. No solute ions generated in solution are observed unless the concentration is increased to 1 M. Under high concentration conditions, solute pairing or aggregation at the liquid surface is a necessary precursor towards liberating solute photoions into the vacuum via a Coulombic explosion. At a solution concentration of 10⁻³ M, a decreased solute ion density at the liquid surface is insufficient to initiate a Coulombic explosion into the vacuum. Rather, non-resonantly generated solvent ions on the liquid surface dominate the ion ejection process. Related studies on 10⁻³ M solutions of 4-methoxyphenol in both ethanol and water show that at this concentration solute ionization is most likely to be observed following thermal evaporation from the surface of a liquid beam.-
dc.description.statementofresponsibilityWendy L. Holstein, Laura M. Dobeck, Dale E. Otten, Gregory F. Metha and Mark A. Buntine-
dc.publisherC S I R O Publishing-
dc.titleUltraviolet laser irradiation of low concentration liquid microjets: Solute evaporation and solvent initiated reactivity-
dc.typeJournal article-
dc.identifier.orcidMetha, G. [0000-0003-1094-0947]-
Appears in Collections:Aurora harvest 2
Chemistry publications
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