申请人:BASF SE
公开号:US10431745B2
公开(公告)日:2019-10-01
The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.
本发明涉及包含式 I 或式 III 重复单元的聚合物及其在有机器件中作为有机半导体的 用途,特别是有机场效应晶体管(OFET)或包含二极管和/或有机场效应晶体管的器件。本发明的聚合物在有机溶剂中具有极佳的溶解性和出色的成膜性能。此外,在有机场效应晶体管中使用本发明的聚合物时,可以观察到较高的能量转换效率、出色的场效应迁移率、良好的开/关电流比和/或出色的稳定性。