A charge transporting material high in solubility in a binder polymer and having high carrier mobility is disclosed, which contains a carbazole derivative represented by the following general formula (1): ##STR1## wherein Ar.sup.1 and Ar.sup.2, which may be the same or different, each represents an aryl group which may have a substituent group; R.sup.1 and R.sup.2, which may be the same or different, each represents a lower alkyl group or an aryl group which may have a substituent group; R.sup.3 represents a lower alkyl group, an alicyclic alkyl group having 5 to 7 carbon atoms, an aryl group which may have a substituent group, or an aralkyl group which may have a substituent group; and m and n each represents an integer of 0 or 1. An electrophotographic photoreceptor containing the charge transporting material is also disclosed.
本发明公开了一种在粘合剂聚合物中高溶解度的载流子迁移材料,具有高载流子迁移率,其中包含由以下通式(1)表示的
咔唑衍
生物:##STR1##其中Ar.sup.1和Ar.sup.2,可以相同也可以不同,每个代表可能具有取代基的芳基基团; R.sup.1和R.sup.2,可以相同也可以不同,每个代表可能具有取代基的较低烷基基团或芳基基团; R.sup.3代表较低烷基基团,具有5到7个碳原子的脂环烷基基团,可能具有取代基的芳基基团或可能具有取代基的芳基烷基基团; m和n各代表0或1的整数。本发明还公开了一种包含所述载流子迁移材料的电子照相感光鼓。