申请人:BASF SE
公开号:US20160181534A1
公开(公告)日:2016-06-23
The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I), wherein Y is a group of formula (II); and their use as IR absorber, organic semiconductor in organic 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 10 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 and photodiodes.
本发明涉及聚合物,其包含一个或多个式(I)的(重复)单元,其中Y是式(II)的一个基团;以及它们作为红外吸收剂,有机半导体在有机器件中的使用,特别是在有机光伏和光电二极管中,或在包含二极管和/或有机场效应晶体管的器件中。根据本发明的聚合物可以具有在有机溶剂中优异的溶解性和优良的膜形成性能。此外,当本发明的聚合物用于有机场效应晶体管、有机光伏和光电二极管时,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。