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"Ultrafast Structural Dynamics of Photochromic Indolylfulgimides Studied by Vibrational Spectroscopy and DFT Calculations" F. O. Koller, W. J. Schreier, T. E. Schrader, A. Sieg, S. Malkmus, C. Schulz, S. Dietrich, K. Rück-Braun, W. Zinth, M. BraunJournal of Physical Chemistry A 110 (2006) 12769-12776 Abstract: The structural dynamics of the ring-opening reaction in a photochromic indolylfulgimide, a reversible, ultrafast photoswitch is investigated by ultra-broadband time-resolved vibrational spectroscopy. The experimentally observed vibrational modes of the indolylfulgimide photo-isomers C and E are assigned to normal modes with the help of DFT calculations. A complete evaluation of the observed vibrational dynamics including excited state vibrational modes is used to characterize the reaction path and the cooling behavior of the photoswitch. BMO authors (in alphabetic order): Markus Braun Florian Koller Stephan Malkmus Tobias Schrader Wolfgang Schreier Arne Sieg Wolfgang Zinth Assoziierte Projekte: Femtosekunden Untersuchung ultraschneller molekularer Schalter  WWW-Version |