Studies on photophysics and photochemistry of N-salicylidene-p-(N,N-dimethylamino)aniline

Studies on photophysics and photochemistry of N-salicylidene-p-(N,N-dimethylamino)aniline The fluorescence spectra of N-salicylidene-p-(N,N-dimethylamino)aniline have been investigated in various solvents and three kinds of fluorescence were found; they were that of excited intermediate, exciplex and excited dimer. According to the transient absorption spectra and decay kinetic data of photoproducts of the title compound, it has been found that the photoproducts in cyclohexane are a zwitterion and a mixed dimer formed by a zwitterion and an enol; in acetonitrile the photoproducts are a zwitterion, a mixed dimer formed by a zwitterion and an enol and a dimer formed of zwitterion. Photochromic and luminescence mechanisms of the title compound are discussed as well. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Studies on photophysics and photochemistry of N-salicylidene-p-(N,N-dimethylamino)aniline

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Publisher
Springer Netherlands
Copyright
Copyright © 1998 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856798X00203
Publisher site
See Article on Publisher Site

Abstract

The fluorescence spectra of N-salicylidene-p-(N,N-dimethylamino)aniline have been investigated in various solvents and three kinds of fluorescence were found; they were that of excited intermediate, exciplex and excited dimer. According to the transient absorption spectra and decay kinetic data of photoproducts of the title compound, it has been found that the photoproducts in cyclohexane are a zwitterion and a mixed dimer formed by a zwitterion and an enol; in acetonitrile the photoproducts are a zwitterion, a mixed dimer formed by a zwitterion and an enol and a dimer formed of zwitterion. Photochromic and luminescence mechanisms of the title compound are discussed as well.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 14, 2009

References

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