申请人:BASF SE
公开号:US09550791B2
公开(公告)日:2017-01-24
The present invention relates to polymers comprising a repeating unit of the formula (I), and their use as organic semiconductor in organic electronic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention can 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, organic photovoltaics (solar cells) and photodiodes.
本发明涉及具有如下式(I)的重复单元的聚合物,以及它们作为有机半导体在有机电子器件中的应用,特别是在有机光伏和光电二极管中,或者在包含二极管和/或有机场效应晶体管的器件中。根据本发明的聚合物可以在有机溶剂中具有优异的溶解性和优秀的成膜性能。此外,当根据本发明的聚合物在有机场效应晶体管、有机光伏(太阳能电池)和光电二极管中使用时,可以观察到高能量转换效率、优异的场效应迁移率、良好的开关电流比和/或优异的稳定性。