Polarizability and internal charge transfer in thiophene-triphenylamine hybrid π-conjugated systems

Emilie Ripaud, Yoann Olivier, Philippe Leriche, Jérôme Cornil, Jean Roncali

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Résumé

Extended star-shaped conjugated systems consisting of dicyanovinyl electron-acceptor units connected to a triphenylamine core by means of thiophene (T), thienylenevinylene (TV), and bithiophene (BT) conjugating spacers have been synthesized. The analysis of the electronic properties of the molecules by UV-vis absorption spectroscopy, cyclic voltammetry, and theoretical calculations shows that the electronic properties of the systems depend on the length and rigidity of the conjugating spacer.

langue originaleAnglais
Pages (de - à)9379-9386
Nombre de pages8
journalJournal of physical chemistry B
Volume115
Numéro de publication30
Les DOIs
Etat de la publicationPublié - 4 août 2011
Modification externeOui

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