Patent ID: 8816035
Filing Date: 2014-08-26
Classification: C08G,H01L,Y02E

Abstract:
1. A photoactive polymer comprising first and second co-monomer repeat units, the first co-monomer repeat unit comprising a 1,3-dithiophene-5-alkylthieno[3,4-c]pyrrole-4,6-dione moiety, and the second co-monomer repeat unit comprising a moiety selected from the group consisting of a 4,4′-dialkyl-dithieno[3,2-b :2′3′-d]silole moiety, an ethylene moiety, a thiophene moiety, an N-alkylcarbazole moiety, an N-(1-alkyl)dithieno[3,2-b:2′3′-d]pyrrole moiety and a 4,8-dialkyloxylbenzo[1,2-b:3,4-b]dithiophene moiety.