申请人:BASF SE
公开号:US10424737B2
公开(公告)日:2019-09-24
The present invention relates to polymers comprising a repeating unit of the formula (I) and their use as organic semiconductor in organic devices, especially a diode, an organic field effect transistor and/or a solar cell, or a device containing a diode and/or an organic field effect transistor, and/or a solar cell. 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 semiconductor devices or organic photovoltaic (PV) devices (solar cells).
本发明涉及含有式(I)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,特别是二极管、有机场效应晶体管和/或太阳能电池,或含有二极管和/或有机场效应晶体管和/或太阳能电池的器件。本发明的聚合物在有机溶剂中具有良好的溶解性和优异的成膜性能。此外,当本发明的聚合物用于半导体设备或有机光伏设备(太阳能电池)时,可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。