Ionic compounds comprising: (a) a cationic radical of a charge transporting compound which has one or more reactive groups; and (b) a counter anion. The ionic compound may have the following formula:
The reactive functional groups on the cation allow the ionic compound to cross-link with a host charge transport compound. Such ionic compounds may have various properties, such as thermodynamic stability, hole injection/transport capabilities, electrochemical durability, and/or solubility in organic solvents that allows them to be useful in organic electronic devices. Also provided are electronic devices made using the ionic compounds of the present invention, and methods of making an electronic device.
离子化合物包括:(a)带有一个或多个反应基团的电荷传输化合物的阳离子基团;以及(b)对应的阴离子。该离子化合物可以具有以下公式:阳离子上的反应性功能基团使离子化合物能够与宿主电荷传输化合物交联。这种离子化合物可以具有各种性质,例如热力学稳定性,空穴注入/传输能力,电
化学耐久性和/或在有机溶剂中的溶解性,使它们在有机电子设备中有用。还提供了使用本发明的离子化合物制成的电子设备和制造电子设备的方法。