| abstract |
The present invention relates to the presence of one or more dithieno[2,3-b:7,8-b']-s-dicyclopenta[1,2-b:5,6-b'] Novel organic semiconducting compounds of dithiophene (IDTT) units functionalized at the 6,12-position electron withdrawing group and optionally substituted at the 3,9-position solubilizing group; Educts or intermediates used therein; with respect to polymers, blends, mixtures and formulations containing the same; for such compounds, polymers, polymer blends, mixtures and formulations as semiconductors for organic electronics ( OE) devices, especially for use in organic photovoltaic (OPV) devices and organic photodetectors (OPD); and for OE, OPV containing such compounds, polymers, polymer blends, mixtures or formulations And OPD devices. |