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Type: Artigo de periódico
Title: Electrochemical synthesis, characterization and photophysics of a poly (fluorenylene vinylene) derivative
Author: Gruber, J
Aguiar, LHJMC
Garcia, TL
de Oliveira, HPM
Atvars, TDZ
Nogueira, AF
Abstract: The electrosynthesis of a soluble poly(fluorenylene vinylene) derivative, namely poly(9,9-dioctyl-2,7-fluorenylene vinylene) (PD027FV), its characterization, photophysical properties and electrochemistry are reported in this work. Photophysical studies indicate a strong dependence on the solvent employed, suggesting a highly polar excited state. The fluorescence quantum yield was estimated to be 0.52. Further, time-resolved photoluminescence exhibited two decays times, 0.68 and 1.31 ns, that are in agreement with a coupling deactivation process of the fluorenylene moiety, induced by the vinylene moiety. Electron affinity and ionization potential calculated from absorption and electrochemical data indicates that PD027FV has potential to be applied as photoactive film in organic light emitting diodes and bulk heterojunction solar cells. (c) 2005 Elsevier B.V. All rights reserved.
Subject: poly(fluorenylene vinylene)
solvent effect
time-resolved luminescence
Country: Suíça
Editor: Elsevier Science Sa
Citation: Synthetic Metals. Elsevier Science Sa, v. 156, n. 41731, n. 104, n. 109, 2006.
Rights: fechado
Identifier DOI: 10.1016/j.synthmet.2005.10.021
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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