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"Femtosecond transient spectroscopy of the photoionization of indole in water
" T. Bizjak, P. B. Bisht, S. Lochbrunner, and E. RiedleFemtochemistry and Femtobiology: Ultrafast Events in Molecular Science, M. M. Martin and J. T. Hynes, eds. (Elsevier, Amsterdam, 2004), 229 - 232 Abstract: The photodynamics of electronically excited indole in water is investigated by UV-visible pump-probe spectroscopy with 80 fs time resolution and compared to the behavior in other solvents. In cyclohexane population transfer from the optically excited La to the Lb state happens within 7 ps. In ethanol ultrafast state reversal is observed, followed by population transfer from the Lb to the La state within 6 ps. In water ultrafast branching occurs between the fluorescing state and the charge-transfer-to-solvent state. Presolvated electrons, formed to-gether with indole radicals within our time resolution, solvate on a timescale of 350 fs. BMO authors (in alphabetic order): Tanja Bizjak Stefan Lochbrunner Eberhard Riedle |