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Proceedings Paper

Fluorescence Decay Kinetics Of Polyester Yellow In Solutions And In Polymers
Author(s): S. Gangopadhyay; M. W. Pleil; W. L. Borst
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Paper Abstract

We have studied the fluorescence decay kinetics of polyester yellow in solutions and in polymers. The fluorescence of the dye in glycerol could be fitted with a sum of three exponential decays, which corresponds to three conformers differing in the orientation of the malononitrile group with respect to the dialkylaminophenyl group. At high concentrations of the dye, a ground state dimerization was observed for the first time in non-polar solvents and in polymers. From their fluorescence decay kinetics, two different configurations were identified.

Paper Details

Date Published: 17 May 1989
PDF: 8 pages
Proc. SPIE 1054, Fluorescence Detection III, (17 May 1989); doi: 10.1117/12.951549
Show Author Affiliations
S. Gangopadhyay, Texas Tech University (United States)
M. W. Pleil, Texas Tech University (United States)
W. L. Borst, Texas Tech University (United States)

Published in SPIE Proceedings Vol. 1054:
Fluorescence Detection III
E. Roland Menzel, Editor(s)

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