Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming device
AssigneeMitsubishi Chemical Corporation
InventorsTakahiro Choda, Akira Ando
Life of this patent
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Abstract
There is provided an electrophotographic photoreceptor including: a conductive support; and a photosensitive layer and a protective layer containing a cured product obtained by curing a curable compound, which are sequentially disposed on the conductive support. The photoreceptor has a Martens hardness of 255 N/mm2 or more. The photosensitive layer contains at least a hole transport material (HTM), and an energy difference between a HOMO level and a LUMO level of the hole transport material (HTM) is greater than 3.6 eV and 4.0 eV or less.
Claims19
An electrophotographic photoreceptor comprising:
- a conductive support;
- and
- a photosensitive layer and a protective layer comprising a cured product obtained by curing a curable compound, which are sequentially disposed on the conductive support, wherein
- the electrophotographic photoreceptor has Martens hardness of 255 N/mm2 or more, and
- the photosensitive layer comprises a hole transport material (HTM), and an energy difference between a HOMO level and a LUMO level of the hole transport material (HTM) is greater than 3.6 eV and 4.0 eV or less.
An electrophotographic photoreceptor comprising:
- a conductive support;
- and
- a photosensitive layer and a protective layer comprising a cured product obtained by curing a curable compound, which are sequentially disposed on the conductive support, wherein
- the photosensitive layer comprises a hole transport material (HTM) composed of a compound represented by a formula (I), and an energy difference between a HOMO level and a LUMO level of the hole transport material (HTM) is greater than 3.6 eV and 4.0 eV or less,
- in the formula (I), Ar1 to Ar6 are same as or different from each other and each represent an aryl group which is optionally substituted, n represents an integer of 2 or more, Z represents a monovalent organic residue, m represents an integer of 0 to 4, and at least one of Ar1 and Ar2 is an aryl group having a substituent.
Dependencies are inferred from the claim text.