Novel Conjugated Polyazines with Oligo(p-phenylene vinylene)s.

摘要

Oligo(p-phenylene vinylene)s (OPVs) and their substituted derivatives are well defined conjugated materials with valuable opto-electronic properties such as photo/electroluminescence, photoconductivity, nonlinear optical response and electrical conductivity after doping. Their processablilty makes them attractive electronic building blocks for organic functionalization. Polyazines (PAZs) are a type of poly Schiff-base polymers, featuring HC=N-N=CH linkages that are isoelectronic with butadienyl units. Some Schiff-base polymers have recently been receiving attention due to their semi-conducting and non-linear optical properties. Introducing flexible side chains to rigid polymers is one way to improve solubility, and enabling systematic structure/property investigations. Soluble PAZs with alternating aromatic and azine units have been reported with substituted thiophene as the aromatic part.