title: Thieno[2,3-b]indole-Based Small Push-Pull Chromophores: Synthesis, Structure, and Electronic Properties.
abstract: Small push-pull molecules were synthesized in high yields by connecting a N-methyl or N-phenyl substituted thieno[2,3-b]indole electron-donating block directly to a 2,2-dicyanovinyl or (1-(dicyanomethylene)-3-oxo-1-inden-2-ylidene)methyl electron-withdrawing group. The effects of the N-substitution on thieno[2,3-b]indole and the nature of the electron-accepting group on the electrochemical, optical, and charge-transport properties were investigated by cyclic voltammetry, UV-vis spectroscopy, and the space-charge-limited current method, respectively. These results, together with the 1% power conversion efficiency of a bilayer solar cell prepared with the smallest compound of the series, show the potential of thieno[2,3-b]indole for organic electronics.
authors.affiliation: MOLTECH-Anjou, CNRS UMR 6200, University of Angers , Linear Conjugated Systems Group, 2 Bd Lavoisier, 49045 Angers, France.
authors.forename: François
authors.initials: F
authors.lastname: Baert
authors.affiliation: MOLTECH-Anjou, CNRS UMR 6200, University of Angers , Linear Conjugated Systems Group, 2 Bd Lavoisier, 49045 Angers, France.
authors.forename: Clément
authors.initials: C
authors.lastname: Cabanetos
authors.affiliation: MOLTECH-Anjou, CNRS UMR 6200, University of Angers , Linear Conjugated Systems Group, 2 Bd Lavoisier, 49045 Angers, France.
authors.forename: Magali
authors.initials: M
authors.lastname: Allain
authors.affiliation: MOLTECH-Anjou, CNRS UMR 6200, University of Angers , Linear Conjugated Systems Group, 2 Bd Lavoisier, 49045 Angers, France.
authors.forename: Virginie
authors.initials: V
authors.lastname: Silvestre
authors.affiliation: MOLTECH-Anjou, CNRS UMR 6200, University of Angers , Linear Conjugated Systems Group, 2 Bd Lavoisier, 49045 Angers, France.
authors.forename: Philippe
authors.initials: P
authors.lastname: Leriche
authors.affiliation: MOLTECH-Anjou, CNRS UMR 6200, University of Angers , Linear Conjugated Systems Group, 2 Bd Lavoisier, 49045 Angers, France.
authors.forename: Philippe
authors.initials: P
authors.lastname: Blanchard