| abstract |
Monomeric, oligomeric or polymeric compound corresponding to the following formula (I): n nin which: A represents an optionally substituted polycyclic group, the said polycyclic group comprising at least one group capable of making possible the attachment of a chromophoric group, n X 1 and X 2 , which are identical or different, each independently represent a group of formula (II): n nin which: B and D, which are identical or different, each independently represent an aromatic carbon ring or an aromatic heterocycle which is optionally substituted. Use of the said compound in an optoelectronic device, such as a photovoltaic cell, a field-effect transistor or an electrochemical sensor. Photovoltaic cell comprising an active layer comprising an electron donor composed of the said compound. |