ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS

An electrophotographic photoreceptor includes a conductive base, and a single-layer photosensitive layer disposed on the conductive base and containing a binder resin, a hole transport material, an electron transport material, and a charge generation material. When a gold electrode is provided on the photosensitive layer so as to have an electrode area of 9.3×10−1 cm2, and an electric field of 27 V/μm is applied between the gold electrode and the conductive base in an environment at a temperature of 33° C. and a humidity of 80% RH by applying a voltage so that the gold electrode becomes positive, a dark electrical conductivity σd (1/(Ω·cm)) per unit area is about 4.6×10−14 or less.