Patent ID: 9541848
Date: 2017-01-10
CPC Classifications: G03G

Claim:
1. An electrophotographic photoreceptor comprising: a charge-generating layer; a charge-transporting layer; and a surface protective layer sequentially deposited on an electroconductive support, wherein the charge-transporting layer contains a charge-transporting material having an ionization potential (IP the surface protective layer contains a binder resin, and a metal oxide microparticle having an ionization potential (IP the ionization potential (IP the metal oxide microparticle has a surface modified with a hole-transporting compound having a structure represented by Formula (1): wherein A represents a hole transportable group; Q 1 represents an acidic group; R 1 represents a substituted or unsubstituted alkylene, alkenylene, alkynylene, or arylene group; and k represents a positive integer of 1 or more, provided that when k represents an integer of 2 or more, R 1 s may be the same or different, and Q 1 s may be the same or different.