Disclosed is a compound having Formula I: In Formula I: Ar is aryl or deuterated aryl; R1 and R2 are the same or different and can be alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl; R3-R5 are the same or different at each occurrence and can be D, alkyl, silyl, aryl, deuterated alkyl, deuterated aryl, or deuterated silyl; where two adjacent R4 groups can be joined together to form a fused 6-membered aromatic or deuterated aromatic ring; a and c are independently an integer from 0-3; and b is an integer from 0-4. Formula I may exist as either fac or mer structural isomers including mixtures of both.
公开了一种具有公式I的化合物:在公式I中:Ar是芳基或
氘代芳基;R 1和R 2相同或不同,可以是烷基、
硅基、芳基、
氘代烷基、
氘代
硅基或
氘代芳基;R 3-R 5在每个出现时相同或不同,可以是D、烷基、
硅基、芳基、
氘代烷基、
氘代芳基或
氘代
硅基;其中两个相邻的R 4基团可以连接在一起形成融合的6元芳环或
氘代芳环;a和c是独立地从0-3的整数;b是从0-4的整数。公式I可以存在为面对或错位的结构异构体,包括两种的混合物。