Compounds having a core comprised of an aromatic ring and at least two annulated beta-substituted fused thiophene ring systems of the general formula: -(β-R2-FT2ArFT2-β-R2)-, and polymers or copolymers thereof, of the general formulas: (β-R2-FT2ArFT2-β-R2)-G1-}n¯, or -G-(β-R2-FT2ArFT2-β-R2)-G1-G2}n¯, where β-R2-FT2ArFT2-β-R2, -G1-, -G2-, and n are as defined herein. Also disclosed are compositions, articles, or devices comprising the polymers, and methods for making and using the polymers. The compositions, articles, or devices can be used, for example, for electronic applications, such as light emitting devices and semiconductor devices.
具有芳香环核心和至少两个环接β-取代融合
噻吩环系统的化合物的一般公式为:-(β-R2-FT2ArFT2-β-R2)-,以及其聚合物或共聚物,一般公式为:(β-R2-FT2ArFT2-β-R2)-G1-}n¯,或-G-(β-R2-FT2ArFT2-β-R2)-G1-G2}n¯,其中β-R2-FT2ArFT2-β-R2,-G1-,-G2-和n如本文所定义。还公开了包含这些聚合物的组合物、物品或器件,以及制备和使用这些聚合物的方法。这些组合物、物品或器件可用于电子应用,例如发光器件和半导体器件。