In this thesis, the preparation of couplers with naphthoylurea moiety was investigated in detail, followed by the synthesis and the photoconductive properties of the bisazo compounds.

• 双偶氮化合物具有敏感度高、暗衰值低、较好的光稳定性、较宽的光谱响应范围和低的制造成本,是有机光导材料中一类极好的电荷产生材料。