An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer containing a charge transport portion including a first hole transport material represented by General Formula (1) below, a cured resin, and a cross-linked structure there between: ##STR00001## where Za is a polymerizable functional group with a Structural Formula (2), (3), or (4), Zb is a divalent group with a Structural Formula (6) or (7), Ra, Rb, Rc and Rd each are one of a branched or unbranched alkyl group having from 1 to 6 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted styryl group, I is 0 or 1 when Za is (2) or (4) and 1 when Za is (3), m is from 0 to 5, n, o, and p are each from 0 to 4, q is from 1 to 3.

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer containing a charge transport portion including a first hole transport material represented by General Formula (1) below, a cured resin, and a cross-linked structure there between: ##STR00001## where Za is a polymerizable functional group with a Structural Formula (2), (3), or (4), Zb is a divalent group with a Structural Formula (6) or (7), Ra, Rb, Rc and Rd each are one of a branched or unbranched alkyl group having from 1 to 6 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted styryl group, I is 0 or 1 when Za is (2) or (4) and 1 when Za is (3), m is from 0 to 5, n, o, and p are each from 0 to 4, q is from 1 to 3.

Provided is an electrophotographic photosensitive member including a support, a photosensitive layer, and a surface layer, wherein the surface layer includes a cured product of a composition containing at least one selected from the group consisting of: a charge-transportable compound; and electroconductive particles, and an organic salt having a polymerizable functional group, and wherein the organic salt is formed of an organic cation and at least one anion selected from the group consisting of: an organic anion; and an inorganic anion.

Provided is an electrophotographic photosensitive member including a support, a photosensitive layer, and a surface layer, wherein the surface layer includes a cured product of a composition containing at least one selected from the group consisting of: a charge-transportable compound; and electroconductive particles, and an organic salt having a polymerizable functional group, and wherein the organic salt is formed of an organic cation and at least one anion selected from the group consisting of: an organic anion; and an inorganic anion.

An electrophotographic photoreceptor includes: a conductive support; and a photosensitive layer which contains an electric charge generating material and an electric charge transport material, wherein a layer configuring a surface of the electrophotographic photoreceptor contains a resin binder, and conductive particles A and B dispersed in the resin binder, the conductive particles A have a single peak and volume resistance ρ1, the conductive particles B have a single peak and volume resistance ρ2, when a particle diameter of the conductive particles A is set to d1, and a particle diameter of the conductive particles B is set to d2, Expression (1) is satisfied, and when the volume resistance of the conductive particles A is set to ρ1, and the volume resistance of the conductive particles B is set to ρ2, Expression (2) is satisfied:

4×d2≦d1≦20×d2  (1)

10×ρ1<ρ2  (2)

An electrophotographic photoreceptor includes: a conductive holder; and at least a charge producing layer and a charge transport layer disposed on the conductive holder in order. The charge transport layer contains at least a binder resin, a charge transport agent and a p-type metal oxide particle.

An electrophotographic photoreceptor includes: a conductive holder; and at least a charge producing layer and a charge transport layer disposed on the conductive holder in order. The charge transport layer contains at least a binder resin, a charge transport agent and a p-type metal oxide particle.

An electrophotographic photoreceptor includes at least a photosensitive layer and a protective layer sequentially layered on a conductive support, wherein the protective layer contains a cured product of a curable composition containing p-type semiconductor fine particles, an n-type organic semiconductor, and a polymerizable compound.

An electrophotographic photoreceptor includes at least a photosensitive layer and a protective layer sequentially layered on a conductive support, wherein the protective layer contains a cured product of a curable composition containing p-type semiconductor fine particles, an n-type organic semiconductor, and a polymerizable compound.

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer, wherein an outermost layer contains a compound having a structure represented by general formula (I) below:

##STR00001## where R.sub.1 and R.sub.2 each independently represent a C.sub.1-12 alkyl group or a C.sub.5-12 cycloalkyl group; R.sub.3 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted C.sub.1-6 alkyl group, a substituted or unsubstituted C.sub.1-6 alkoxyl group, a C.sub.6-20 aryl group or a heterocycle group; X and Z each represent a single bond or a C.sub.1-6 alkylene group which may be substituted; and Y represents a OCO group or COO group. A method for manufacturing the photoreceptor and an electrophotographic device including the photoreceptor are additionally provided. The electrophotographic photoreceptor provides sufficient stain resistance and is less affected by temperature and humidity environments while maintaining various advantageous characteristics of photoreceptors.