Time-resolved fluorescence of p-dimethylaminobenzonitrile in mixed solvents
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
- Vol. 83 (11) , 1941-1956
- https://doi.org/10.1039/f29878301941
Abstract
The time-resolved fluorescence decay of p-dimethylaminobenzonitrile (DMABN) in mixed non-polar–polar solvents has been studied. The data cannot be described by an equilibrium between two excited-state species, even when transient terms in the reaction rate constant are considered. The data are analysed in terms of a distribution of DMABN–solvent complexes decaying with a corresponding distribution of rates. The origin of this behaviour, and its implications for understanding the solvation dynamics of DMABN–polar solvent systems, are considered.Keywords
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