2019 Volume 48 Issue 5 Pages 422-425
The solvation process of electrons reflects the solvent structure and its fluctuation sensitively. The solvation process of electrons in room-temperature ionic liquid N,N,N-trimethyl-N-propylammonium bis(trifluoromethylsulfonyl) amide, N1113+ NTf2−, is observed with femtosecond near-IR absorption spectroscopy. A broad absorption band from the solvated electrons shows a continuous blue-shift of 0.09 eV within 1 ns of electron injection. The peak shift kinetics, well represented by a stretched exponential decay function, indicates the presence of two or more different solvation environments in this ionic liquid.
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