Article (Scientific journals)
Synthesis and Supramolecular Organization of Regioregular Polythiophene Block Oligomers
Clement, Sebastien; Meyer, Franck; De Winter, Julien et al.
2010In Journal of Organic Chemistry, 75 (5), p. 1561-1568
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Abstract :
[en] The self-assembly of functional polythiophenes was studied by a bottom-up approach 'from molecule to polymer'. The synthesis and the X-ray structure of 2,5-dibromo-3-styryl and 3-2',3',4',5',6'-pentafluorostyryl-thiophenes revealed a supramolecular arrangement controlled by p-p interactions between the aromatic rings. A [2 + 2] photocyclization reaction in the solid state of (E)-1-2',5'-dibromo-3'-thienyl-2-pentafluorophenylethene triggers the formation of a rare cycloadduct comprising thiophene rings. The X-ray analysis confirmed its rctt stereochemistry. The synthesis of P3HT-b-P3ST and P3HT-b-P3STF block oligomers was achieved by a GRIM method in good yields. An indirect proof of well-defined nanostructured organization was provided by the partial photocyclization of pendant styryl moieties under UV irradiation.
Disciplines :
Chemistry
Physics
Author, co-author :
Clement, Sebastien
Meyer, Franck
De Winter, Julien  ;  Université de Mons > Faculté des Sciences > Synthèse et spectrométrie de masse organiques
Coulembier, Olivier  ;  Université de Mons > Faculté des Sciences > Matériaux Polymères et Composites
Vande Velde, Christophe M. L.
Zeller, Matthias
Gerbaux, Pascal  ;  Université de Mons > Faculté des Sciences > Synthèse et spectrométrie de masse organiques
Balandier, Jean-Yves
Sergeyev, Sergey
Lazzaroni, Roberto ;  Université de Mons > Faculté des Sciences > Service de Chimie des matériaux nouveaux
Geerts, Yves
Dubois, Philippe  ;  Université de Mons > Faculté des Sciences > Matériaux Polymères et Composites
Language :
English
Title :
Synthesis and Supramolecular Organization of Regioregular Polythiophene Block Oligomers
Publication date :
05 March 2010
Journal title :
Journal of Organic Chemistry
ISSN :
0022-3263
Publisher :
American Chemical Society, United States - District of Columbia
Volume :
75
Issue :
5
Pages :
1561-1568
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S816 - Matériaux Polymères et Composites
S817 - Chimie des matériaux nouveaux
S836 - Synthèse et spectrométrie de masse organiques
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
Commentary :
Publié en ligne le 10 février 2010
Available on ORBi UMONS :
since 10 July 2010

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