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

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

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)9379-9386
Number of pages8
JournalJournal of physical chemistry B
Volume115
Issue number30
DOIs
Publication statusPublished - 4 Aug 2011
Externally publishedYes

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