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Ionic liquids: novel media for characterisation of radical ions

Marcinek, Andrzej and Zielonka, Jacek and Gebicki, Jerzy and Gordon, Charles M. and Dunkin, Ian R. (2001) Ionic liquids: novel media for characterisation of radical ions. Journal of Physical Chemistry A, 105 (40). pp. 9305-9309. ISSN 1089-5639

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Abstract

The novel application of ionic liquids as media for radiolytic generation and UV−vis−NIR spectroscopic characterization of radical ions is described. The redox properties of neat 1-butyl-3-methylimidazolium salts and their aqueous solutions have been investigated by means of pulse radiolysis. Furthermore, ionic liquids prove to be ideal media for the simultaneous generation of radical cations and anions. The radical cations generated from 1-methyl-1,4-dihydronicotinamide, a structural analogue of NADH, have been spectroscopically characterized under matrix conditions for the first time.