There is provided a compound having Formula I In Formula I: R1 - R10 are the same or different and are H, D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where no more than two of R1 - R10 are biphenyl and where at least two of R1 - R10 have Formula II In Formula II: Ar is phenyl, naphthyl, heteroaryl, spirofluorenyl, or a deuterated analog thereof; R11 is the same or different at each occurrence and is D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where adjacent R11 groups can join to form a fused aromatic ring or fused deuterated aromatic ring; m is an integer from 0-4; n is an integer from 1-5; and the asterisk represents a point of attachment.
提供一种具有
化学式I的化合物,在
化学式I中:R1-R10相同或不同,可以是H、D、烷基、
硅基、芳基、重
氘代烷基、重
氘代
硅基或重
氘代芳基,其中R1-R10中不超过两个是
联苯基,并且至少两个具有
化学式II,在
化学式II中:Ar是苯基、
萘基、杂环芳基、螺
芴基或其重
氘类似物;R11在每次出现时相同或不同,可以是D、烷基、
硅基、芳基、重
氘代烷基、重
氘代
硅基或重
氘代芳基,相邻的R11基团可以连接形成融合芳香环或融合重
氘芳香环;m是0-4的整数;n是1-5的整数;星号代表一个连接点。