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Peres, L. O., Errien, N., Faulques, E., Athalin, H., Lefrant, S., Massuyeau, F., Wery, J., Froyer, G. & Wang, S. H. (2007) Synthesis and characterization of a new alternating copolymer containing quaterphenyl and fluorenyl groups. Polymer, 48 98–104. 
Added by: Laurent Cournède (2016-03-10 22:02:31)
Type de référence: Article
DOI: 10.1016/j.polymer.2006.10.038
Numéro d'identification (ISBN etc.): 0032-3861
Clé BibTeX: Peres2007
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Catégories: PMN
Mots-clés: blends, cross-coupling reactions, derivatives, electroluminescence, ether)s, fluorenyl copolymer, isolated fluorophores, light-emitting-diodes, Luminescence, morphology, polyfluorenes, polymers, quaterphenyl
Créateurs: Athalin, Errien, Faulques, Froyer, Lefrant, Massuyeau, Peres, Wang, Wery
Collection: Polymer
Consultations : 9/510
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
An alternating copolymer was synthesized by Suzuki reaction from 4,4 '-dibromo-p-quaterphenyl (PPP oligomer) and 9,9-dioctylfluorene-2,7-diboronic acid in good yield (84\%). The copolymer is partially crystalline, readily soluble in organic solvents, presents high fluorescence quantum yield (85.6\%) and high thermal stability. The copolymer absorption as well as the emission spectra are red shifted compared to those of monomers. Ultrafast time-resolved fluorescence experiments on the copolymer were carried out and confirmed the results obtained from stationary experiments. The copolymer fluorescence decay is found to be bi-exponential with fluorescence lifetimes of 297 +/- 6 ps and 942 +/- 5 ps. (c) 2006 Elsevier Ltd. All rights reserved.
Added by: Laurent Cournède  
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