Abstract

Picosecond emission spectroscopy is used to examine the kinetics of twisted intramolecular charge transfer in a series of symmetric bis ((N,N-dialkylamino)phenyl) sulfones, DRAPS (R=methyl, propyl, and butyl), in alcohol solutions. Within a given solvent, the dynamics of charge transfer are not dependent on changes in the size of the rotating group; however, for a single molecule in the series of n-alcohols, the rate of charge transfer correlates with the inverse of the solvent viscosity

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