Journal
CHEMICAL PHYSICS LETTERS
Volume 348, Issue 5-6, Pages 416-424Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0009-2614(01)01139-3
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The photophysical properties of several derivatives of 4-aminodiphenylamine (ADPA), model compounds of aniline dimers and trimers are investigated. Several compounds show dual fluorescence with a charge transfer (CT) component with a significantly reduced fluorescence rate constant which can be suppressed by bridging and enhanced by sterically hindering substituents, in close similarity to the compounds showing twisted intramolecular charge transfer (TICT). The relation to polyaniline (PANI) conductivity is also discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
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