Planarized star-shaped oligothiophenes with enhanced pi-electron delocalization.
[structure: see text] Planarized star-shaped oligothiophenes 1 have been synthesized by connecting short-chain oligothiophenes on a benzo[1,2-b:3,4-b':5,6-b' ']trithiophene central core. Their electrochemical and optical properties have been characterized by cyclic voltammetry and UV-visible spectroscopy, respectively. These results associated with theoretical calculations show the advantage of benzotrithiophene as a central core in terms of pi-electron delocalization.
Nicolas
Yohann
Y
Groupe Systèmes Conjugués Linéaires, IMMO, UMR CNRS 6501, Université d'Angers, 2 Bd Lavoisier, F-49045 Angers, France.
Blanchard
Philippe
P
Levillain
Eric
E
Allain
Magali
M
Mercier
Nicolas
N
Roncali
Jean
J