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Type: Artigo de periódico
Title: Light emitting mechanisms in an alternated fluorene EDOT copolymer-A theoretical and photophysical study
Author: Cassemiro, SM
Zanlorenzi, C
Atvars, TDZ
Santos, G
Fonseca, FJ
Akcelrud, L
Abstract: The synthesis and photophysical characterization of a PPV type copolymer containing a fluorene derivative alternated with ethylenedioxythiophene units, poly[2,5-(3,4-ethylenedioxythiophene)-alt-(9,9'-dihexil-2,7-fluorene)] (LaPPS32) are presented and discussed. The photophysical studies along with theoretical simulation demonstrated that the main factor responsible for the polymer behavior is the progressive conformational twisting upon addition of each repeating unit to the polymer chain, together with intra- and intermolecular energy transfer processes. The main electroluminescence parameters are also discussed in connection with the photophysical behavior. (c) 2012 Elsevier B.V. All rights reserved.
Subject: Fluorene
Photophysical properties
Conjugated polymers
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.jlumin.2012.07.011
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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