Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5389980 | Chemical Physics Letters | 2006 | 5 Pages |
Abstract
9-Dicyanovinyl julolidine is an adequate probe for free volume in the ionic liquid 1-butyl-3-methyl imidazolium tetrafluoroborate. Evidence is activation energy of 11Â kJ/mol for the radiationless deactivation of the fluorescence involving the dicyanovinyl moiety, compared to 33Â kJ/mol of the activation energy of the solvent viscosity.
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Authors
Karin I. Gutkowski, M. Laura Japas, Pedro F. AramendÃa,