There is provided a charge transport compound having Formula I: wherein: R1 through R5 are the same or different at each occurrence and can be hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOR, —PO3R2, —OPO3R2, or CN; R6 can be hydrogen, alkyl, aryl, alkylaryl, and arylalkyl; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, and alkynyl; and n is an integer from 0-3.