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Proceedings Paper

Picosecond Fluorescence Dynamics Of P-Dimethylaminobenzonitrile In Alcohol Solution
Author(s): Shyh-Gang Su; John D Simon
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Paper Abstract

The dynamics of the intramolecular charge transfer reaction of p-dimethylaminobenzonitrile is examined in alcohol solutions. The rate of charge separation is faster than the solvent fluctuation rate, TEl. Comparison of the experimental results with a recent theoretical model by Nadler and Marcus suggests that the rate of charge transfer is controlled by fluctuations in the intramolecular vibrational modes, not solvent diffusion. In addition, the TICT emission is observed to undergo a time dependent Stokes shift. The spectral relaxation is examined and compared to dielectric continuum models of solvent relaxation.

Paper Details

Date Published: 27 April 1988
PDF: 7 pages
Proc. SPIE 0910, Fluorescence Detection II, (27 April 1988); doi: 10.1117/12.945455
Show Author Affiliations
Shyh-Gang Su, University of California San Diego (United States)
John D Simon, University of California San Diego (United States)


Published in SPIE Proceedings Vol. 0910:
Fluorescence Detection II
E. Roland Menzel, Editor(s)

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