US Patent 7271288 Aromatic compounds

Disclosed is an aromatic compound expressed by the general formula (I), wherein A represents of a fused aromatic hydrocarbon moiety such as triphenylene, X represents a hydrogen-bonding site such as an atomic group containing an amide linkage, Y represents a chain functional group such as an alkyl group having 3 to 18, preferably 10 to 18 carbon atoms, and n represents an integer ranging from 2 to 10. The aromatic compound forms a molecular assembly in which the aromatic rings mutually overlap and exhibits an excellent charge carrier transfer propertyAX—Y)n.   (I)