Ultrafast measurements of the dynamics of solvation in polar and non-dipolar solvents

The dynamics of solvation of the probe solute coumarin 153 has been measured with ∼ 100 fs time resolution using the fluorescence upconversion technique. A wide variety of solvents, including polar aprotic solvents, hydrogen bonding solvents, and non-dipolar solvents have been examined. For all solv...

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Bibliographic Details
Published in:Journal of molecular liquids 1995, Vol.65, p.49-57
Main Authors: Gardecki, J., Horng, M.L., Papazyan, A., Maroncelli, M.
Format: Article
Language:English
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Summary:The dynamics of solvation of the probe solute coumarin 153 has been measured with ∼ 100 fs time resolution using the fluorescence upconversion technique. A wide variety of solvents, including polar aprotic solvents, hydrogen bonding solvents, and non-dipolar solvents have been examined. For all solvents of even moderate polarity ( ϵ 0>5), the solvation dynamics observed follows the predictions simple models based on the solvent's bulk dielectric response. For a number of “non-dipolar” solvents such as dioxane and benzene, for which ϵ 10
ISSN:0167-7322
1873-3166
DOI:10.1016/0167-7322(95)00844-0