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The dynamic Stokes shift of the donor-acceptor compound, PIDMP, in its lowest excited charge transfer state has been studied in a series of ethereal solvents at room temperature with a time resolution of about 300 fs. By means of the fluorescence upconversion method dynamic Stokes shifts of up to 2400 cm −1 on a subpicosecond time scale have been resolved. The observed dynamic Stokes shifts...
We report on a picosecond spectroscopic study of the dynamical Stokes shift of fluoroprobe in the lowest excited state in the solvents diethylether and ethylacetate. Time-resolved emission spectra with a time-resolution of approximately 10 ps are presented. The spectra reflect dynamical Stokes shifts of a few thousand wave numbers within 10-100 ps after the pulsed laser excitation. The time-dependent...
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