Ultrafast dynamics of room temperature ionic liquids after ultraviolet femtosecond excitation

Article Abstract:

Femtosecond pump-probe absorption spectroscopy is used to investigate the photochemistry and relaxation dynamics of four room-temperature ionic liquids (RTILs) after ultraviolet (UV) photolysis. The results have shown that the development of flow-cell systems for highly viscous ionic liquids is required for investigating their ultrafast dynamics.

Photochemical research, Photolysis

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Reaction between diiodide anion radicals in ionic liquids

Article Abstract:

The analysis of the reaction between [I.sub.2.sup.-] anion radicals in molecular solvents, highly viscous glycerol- [H.sub.2]O mixtures, and ionic liquids is done. It is suggested that the electrostatic repulsion between the diodide anion radicals is undermined by Coulombic shielding in the ionic liquids.

Iodides, Electrostatic interactions, Coulomb excitation

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