Patent ID: 8795850

Claim:
A compound having a structure according to Formula I: wherein R 1 may represent mono- or di-substitution; wherein R 2 , R 3 and R 4 may represent mono-, di-, tri- or tetra-substitution; wherein R 1 , R 2 , R 3 , R 4 and R 5 are each independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl sulfonyl, phosphino, and combinations thereof; wherein R 1 , R 2 , R 3 and R 4 are optionally fused; wherein X is selected from the group consisting of CRR′, SiRR′, C═O, N—R, B—R, O, S, SO, SO 2 , and Se; wherein R and R′ are independently selected from the group consisting of linear alkyl, branched alkyl, and aryl; and wherein n=1 or 2.