| 摘要 |
The invention provides an electrophotographic photoreceptor of high sensitivity and high endurance which comprises a conductive support and a light-sensitive layer which contains at least one bis-azo compound selected from the group consisting of those represented by the following formulas (I)-(II): <IMAGE> (I) <IMAGE> (II) wherein n represents 0, 1, or 3; R1 represents a halogen atom, a hydroxyl group, or an alkyl, aralkyl, aryl, hyterocyclic or alkoxy group which may have a substituent and when n is 2 or 3, R1 may be identical or different; R2 represents a hydrogen atom, a halogen atom, a cyano group, or an ester, alkyl, aralkyl or aryl group which may have a substituent; R3 represents an alkyl, aralkyl, aryl or heterocyclic group which may have a substituent; Ar represents an arylene which may have a substituent; and A1 and A2 each represents an aryl or heterocyclic group which has a hydroxyl group and may be identical or different.
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