Patent ID: 6991881

Claim:
An electrophotographic photosensitive member comprising a support and provided thereon a photosensitive layer, wherein; said photosensitive layer contains a high-molecular weight charge-transporting material having a repeating structural unit represented by the following formula (22): and the high-molecular weight charge-transporting material has: a weight-average molecular weight Mw of 1,500 or more; and an energy level of highest occupied molecular orbital, E HOMO , of from −8.3 eV or more to −8.0 eV or less as found by semiempirical molecular-orbital calculation: wherein R 2201 to R 2211 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxyl group or an electron-attracting group; and A 2201 represents a Group 14 element having a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxyl group or an electron-attracting group, or a Group 16 element.