A copolymer for use in an electroluminescent device comprising a first repeat unit, a second repeat unit comprising a group having a general formula (I) and optionally, a third repeat unit comprising a group having a general formula (II) which may be substituted or unsubstituted where T is a trifluoromethyl substituted benzene; Ar, Ar′ and Ar″ each independently comprise a substituted or unsubstituted aryl or heteroaryl group and m is 1 or 2.
1
一种用于电致发光器件的共聚物,包括第一重复单元、第二重复单元和第三重复单元,第一重复单元包括通式(I)的基团,第二重复单元包括通式(II)的基团,通式(II)可以是取代或未取代的,其中 T 是三
氟甲基取代的苯;Ar、Ar′和 Ar″ 各自独立地包括取代或未取代的芳基或杂芳基,m 是 1 或 2。
1