Time dependent solvent effects on the T1–Tn absorption spectra of thioxanthone: a picosecond investigation
F Morlet-Savary, C Ley, P Jacques, F Wieder… - … of Photochemistry and …, 1999 - Elsevier
Time resolved absorption (expressed by the shift of the wavenumber of maximum absorption
ν TT 0→ ν TT∞) of a probe (thioxanthone) in its triplet state (3TX) is investigated in different
solvents, using picosecond absorption experiments. By increasing the solvent polarity, ν
TT∞ is blue shifted due to a decrease of the dipole moment upon excitation and linearly
depends on the empirical polarity parameter ET (30). Moreover, application of the
solvatochromic comparison method (SCM)(π*, α, β) shows that specific interactions are …
ν TT 0→ ν TT∞) of a probe (thioxanthone) in its triplet state (3TX) is investigated in different
solvents, using picosecond absorption experiments. By increasing the solvent polarity, ν
TT∞ is blue shifted due to a decrease of the dipole moment upon excitation and linearly
depends on the empirical polarity parameter ET (30). Moreover, application of the
solvatochromic comparison method (SCM)(π*, α, β) shows that specific interactions are …
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