Publication

Ultrafast Excited State Dynamics of the Protonated Schiff Base of All-trans Retinal in Solvents

Goran Zgrablic
2005
Journal Articles

Abstract

We present a comparative study of the ultrafast photophysics of all-trans retinal in the protonated Schiff base form in solvents with different polarities and viscosities. Steady-state spectra of retinal in the protonated Schiff base form show large absorption-emission Stokes shifts (6500-8100 cm(-1)) for both polar and nonpolar solvents. Using a broadband fluorescence up-conversion experiment, the relaxation kinetics of fluorescence is investigated with 120 fs time resolution. The time-zero spectra already exhibit a Stokes-shift of; 6000 cm(-1), indicating depopulation of the Franck-Condon region in

Official source

https://infoscience.epfl.ch/entities/publication/6cd4a027-4fd9-436a-ae25-ce56802710ca

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Ultrafast Excited State Dynamics of the Protonated Schiff Base of All-trans Retinal in Solvents

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