| 摘要 |
An electrophotographic photoreceptor including a conductive substrate; a charge generation layer comprising a metal phthalocyanine pigment as a charge generation material, located overlying the conductive substrate; a charge transport layer comprising a charge transport material having a triarylamine structure, located overlying the charge generation layer; and a cross-linked charge transport layer formed by hardening a radical-polymerizable monomer having no charge transport structure and a radical-polymerizable compound having a charge transport structure, located overlying the charge transport layer. The electrophotographic photoreceptor satisfies the following equations (1) and (2): <?in-line-formulae description="In-line Formulae" end="lead"?>-0.16<=Ip(T)-Ip(G)<=0.07 (1)<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>0.07<Ip(O)-Ip(G)<=0.33 (2)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein Ip(G), Ip(T), and Ip(O) represent ionization potentials of the charge generation layer, the charge transport layer, and the cross-linked charge transport layer, respectively.
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