A compound comprising a triphenylene containing benzo-fused thiophene or benzo-fused furan, wherein the compound is represented by the structure of Formula (IV) or Formula (V): wherein X is S or O; wherein R 1 , R 2 , and R 3 are unfused substituents independently selected from the group consisting of C n H 2n+1 , OC n H 2n+1 , OAr 1 , N(C n H 2n+1 ) 2 , N(Ar 1 )(Ar 2 ), CH=CH-C n H 2n+1 , C‰¡C-C n H 2n+1 , Ar 1 , Ar 1 -Ar 2 , C n H 2n -Ar 1 , or no substitution, and wherein each of R 1 , R 2 , and R 3 may represent mono, di, tri, or tetra substitutions; wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10; wherein Ar 1 and Ar 2 are independently selected from the group consisting of benzene, biphenyl, naphthalene, triphenylene, carbazole, and heteroaromatic analogs thereof; and wherein at least one of R 1 , R 2 , and R 3 includes a triphenylene group.