Table of Contents
Laser Chemistry
Volume 19, Issue 1-4, Pages 367-370

Solute-Solvent Energy Transfer And Cooling Kinetics of Photoexcited S1Trans-Stilbene Probed With Picosecond Raman Spectroscopy: Comparison Between Chloroform and Chloroform-d Solutions

1Molecular Spectroscopy Laboratory, Kanagawa Academy of Science and Technology (KAST), KSP East 301, 3-2-1 Sakato, Kawasaki 213, Japan
2Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku 113-0033, Tokyo, Japan
3Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Bunkyo-ku, Japan

Received 20 April 1997

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Cooling kinetics of trans-stilbene (tSB) photoexcited to a vibrationally excited state in the first excited singlet (S1) manifold was studied with picosecond time-resolved Raman spectroscopy. The observed cooling curves of S1tSB in chloroform (CHCI3) and in chloroform-d (CDCl3) were identical within the experimental uncertainties. For S1tSB in chloroform, there was no experimental evidence for strong intermolecular vibration-vibration (V–V) resonance energy transfer in the picosecond to sub-picosecond time region.