Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
Abstract:
An electrophotographic photosensitive member includes a support member, an electroconductive layer, and a photosensitive layer, in this order. The electroconductive layer contains a binder resin, electrically conductive first metal oxide particles, and second metal oxide particles. The refractive index Rb of the binder resin, the refractive index Rc of the first metal oxide particles, and the refractive index Rh of the second metal oxide particles satisfy the relationships: |Rb−Rc|≤0.35 and |Rb−Rh|≥0.65. The electroconductive layer has a volume resistivity of 1.0×106 Ω·cm to 1.0×1013 Ω·cm, and the ratio of the specific gravity of the first metal oxide particles to the specific gravity of the second metal oxide particles is 0.85 to 1.20.
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