abstract |
Active field-effect transistors (OFETs), organic light-emitting diodes (OLEDs) and organics containing conjugated oligomeric or polymeric 2,7-carbazolenvinylene derivatives represented by formula (I) or (II) as active materials Solar cell (OPC). Such organic field effect transistors (OFETs), organic light emitting diodes (OLEDs) and organic solar cells (OPCs) have improved device characteristics and device efficiency. |