| 摘要 |
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. |
