| abstract |
There is provided an electroactive composition including (a) a host, (b) a dopant, and (c) an additive having Formula I, In Formula I, E is the same or different at each occurrence and is N or C-Ar 1 and Ar 1 is the same or different at each occurrence and is H, D, or aryl. At least one E = N, and at least one Ar 1 is aryl. |