Investigation of the Influence of Solute− Solvent Interactions on the

Jun 26, 2007 - Torsional Dynamics and Intramolecular Charge Transfer in the S2 (1Bu) Excited State of Peridinin: A Mechanism for Enhanced Mid-Visible ...
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J. Phys. Chem. A 2007, 111, 6135-6145

6135

Investigation of the Influence of Solute-Solvent Interactions on the Vibrational Energy Relaxation Dynamics of Large Molecules in Liquids Anatolio Pigliucci,† Guillaume Duvanel, Late´ vi Max Lawson Daku, and Eric Vauthey* Department of Physical Chemistry, UniVersity of GeneVa, 30 quai Ernest-Ansermet, CH-1211 Gene` Ve 4, Switzerland ReceiVed: December 29, 2006; In Final Form: March 5, 2007

The influence of solute-solvent interactions on the vibrational energy relaxation dynamics of perylene and substituted perylenes in the first singlet excited-state upon excitation with moderate (