There is disclosed an electroactive composition including (a) a host compound having Formula I and (b) a photoactive dopant. In Formula I: R1 is the same or different at each occurrence and is D, alkyl, silyl, germyl, deuterated alkyl, deuterated silyl, or deuterated germyl; a is an integer from 0-7; b is an integer from 0-8; c is an integer from 0-4; and d is an integer from 0-7.