Photoactive polymers comprising first and second co-monomer repeat units, the first co-monomer repeat unit comprising a moiety selected from the group consisting of an alkylthieno[3,4-c]pyrrole-4,6-dione moiety and 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 are described herein. These polymers are suitable for use in photovoltaic cells and field effect transistors.
本文描述了包含第一和第二共聚单体重复单元的光致聚合物,其中第一共聚单体重复单元包括从羧基[3,4-c]
吡咯-4,6-二酮基团和1,3-二
硫杂
吡咯-5-烷基[3,4-c]
吡咯-4,6-二酮基团中选择的基团,而第二共聚单体重复单元包括从4,4'-二烷基-二
硫杂
吡咯[3,2-b:2'3'-d]
硅烷基团、
乙烯基团、
噻吩基团、N-烷基
咔唑基团、N-(1-烷基)二
硫杂
吡咯[3,2-b:2'3'-d]
吡咯基团和4,8-二烷氧基苯并[1,2-b:3,4-b]二
噻吩基团中选择的基团。这些聚合物适用于光伏电池和场效应晶体管。