| 摘要 |
There is provided an electroactive composition including: a deuterated first host material and an electroluminescent dopant material. The first host is a compound having Formula I: The compound of Formula I is deuterated. In Formula I: Ar1 to Ar4 are the same or different and are aryl; Q is a multivalent aryl group or where T is (CR')a, SiR2, S, SO2, PR, PO, PO2, BR, or R; R is the same or different at each occurrence and is an alkyl group or an ary group; R' is the same or different at each occurrence and is selected H, D, or alkyl; a is an integer from 1-6; and m is an integer from 0-6. |
