naphthylenediamine derivative which is superior in electric charge transferring capability, compatibility with binding resin and stability, and an electrophotosensitive material which has a higher sensitivity and an excellent durability. The above naphthylenediamine derivative is represented by the following general formula (1), and the electrophotosensitive material is formed by providing a photosensitive layer haveing this naphthylenediamine derivative as an electric charge transferring material on a conductive substrate.
wherein R¹ to R⁴, R5a to R5f and a to d are as defined.
在电荷转移能力、与结合
树脂的相容性和稳定性方面更优越的
萘二胺衍
生物,以及灵敏度更高、耐久性更好的电致
发光材料。上述
萘二胺衍
生物由以下通式(1)表示,电致
发光材料是通过在导电基底上提供以该
萘二胺衍
生物为电荷转移材料的感光层而形成的。
其中 R¹ 至 R⁴、R5a 至 R5f 和 a 至 d 如所定义。