 |
 |
|
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 Voir tous les détails bibliographiques  |
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 : 1/616
Indice de consultation : 4% Indice de popularité : 1% |
| 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 |