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Type: Artigo
Title: Photophysical and photovoltaic properties of a PPV type copolymer containing alternated fluorene and thiophene units
Author: Rodrigues, Paula C.
Grova, Isabel
Coutinho, Douglas J.
Domingues, Raquel A.
Oh, Heong Sub
Seo, Jangwon
Faria, Roberto M.
Atvars, Teresa D. Z.
Prasad, Paras N.
Akcelrud, Leni
Abstract: The synthesis and photophysical characterization of a PPV-type copolymer containing a fluorene derivative alternated with thiophene units is presented: poly(9,9’-dioctylfluorene-thiophene) (LAPPS29). Photophysical studies demonstrated that in the solid state only preformed ground state aggregates are responsible for exciton formation. These aggregates are formed with a wide range of size distribution. The emission from isolated segments is quenched either by resonant energy transfer, or by migration processes. Also, the main photovoltaic parameters are discussed in connection with the photophysical behavior
Subject: Tiofenos
Country: Países Baixos
Editor: Springer
Rights: Fechado
Identifier DOI: 10.1007/s10965-012-9828-2
Date Issue: 2012
Appears in Collections:IQ - Artigos e Outros Documentos

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