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Type: Artigo de periódico
Title: Conjugated Copolymers Based On Poly(fluorenylene Vinylene) Derivatives Containing Push-pull Units: Synthesis And Characterization
Author: De Freitas J.N.
Li R.W.C.
Nogueira A.F.
Gruber J.
Abstract: In this work we present the synthesis, via the Gilch route, of two polymers: poly(9,9-dioctyl-2,7-fluorenylene vinylene) and poly(2-bromo-5- hexyloxy-1,4-phenylene vinylene), which contain fluorene and push-pull (2-bromo-5-hexyloxy-1,4-phenylene) units, respectively. We also present the synthesis of novel copolymers based on the combination of these materials in different proportions. Using the Gilch route, the synthesis yields varied between 42% and 71%, and the average molar masses varied between 4 × 10 3 g mol -1 and 70 × 10 3 g mol -1. The thermal, electrochemical and photophysical properties of these polymers were investigated, and their application as hole transporting materials in organic solar cells, in combination with a fullerene derivative (electron transport material), is also presented. © 2011 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.matchemphys.2011.06.029
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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