JP2000105479A5

JP2000105479A5 -

Info

Publication number: JP2000105479A5
Application number: JP1999217488A
Authority: JP
Filing date: 1999-07-30
Publication date: 2005-04-07
Anticipated expiration: 2019-07-30

Description

【００１０】
【課題を解決するための手段】
本発明は、支持体上に感光層を有する電子写真感光体において、該電子写真感光体が３８０〜５００ｎｍの波長を有する半導体レーザー光を照射され、かつ該感光層がガリウムフタロシアニン化合物またはＣｕＫα特性Ｘ線回折における回折角の２７．２°±０．２°に強いピークを有するオキシチタニウムフタロシアニンを含有することを特徴とする電子写真感光体である。 [0010]
[Means for Solving the Problems]
The present invention relates to an electrophotographic photosensitive member having a photosensitive layer on a support, wherein the electrophotographic photosensitive member is irradiated with semiconductor laser light having a wavelength of 380 to 500 nm, and the photosensitive layer is a gallium phthalocyanine compound or CuKα characteristic X An electrophotographic photosensitive member comprising oxytitanium phthalocyanine having a strong peak at 27.2 ° ± 0.2 ° of a diffraction angle in line diffraction.

Claims

In an electrophotographic photosensitive member having a photosensitive layer on a support, the electrophotographic photosensitive member is irradiated with a semiconductor laser beam having a wavelength of 380 to 500 nm, and the photosensitive layer has a wavelength of gallium phthalocyanine compound or CuKα characteristic X-ray diffraction An electrophotographic photosensitive member comprising an oxytitanium phthalocyanine having a strong peak at an angle of 27.2 ° ± 0.2 °.

The electrophotographic photosensitive member according to claim 1, wherein the photosensitive layer contains a gallium phthalocyanine compound.

The electrophotographic photosensitive member according to claim 1 or 2, wherein the gallium phthalocyanine compound is hydroxygallium phthalocyanine.

The electrophotographic photosensitive member according to claim 3, wherein the hydroxygallium phthalocyanine has strong peaks at 7.4 ° and 28.2 ° of the diffraction angle (2θ ± 0.2 °) in CuKα characteristic X-ray diffraction.

The electrophotographic photosensitive member according to claim 1, wherein the photosensitive layer contains oxytitanium phthalocyanine having a strong peak at 27.2 ° ± 0.2 ° of the diffraction angle in CuKα characteristic X-ray diffraction.

The oxytitanium phthalocyanine has strong peaks at 9.0 ° , 14.2 ° , 23.9 ° and 27.1 ° of the diffraction angle (2θ ± 0.2 °) in CuKα characteristic X-ray diffraction. The electrophotographic photosensitive member according to claim 1.

The electrophotographic photosensitive member according to claim 1, wherein the oxytitanium phthalocyanine has strong peaks at 9.6 ° and 27.3 ° of a diffraction angle (2θ ± 0.2 °) in CuKα characteristic X-ray diffraction.

Oxytitanium phthalocyanine has diffraction angles (2θ ± 0.2 °) of 9.5 ° , 9.7 ° , 11.7 ° , 15.0 ° , 23.5 ° , 24.1 ° in CuKα characteristic X-ray diffraction . The electrophotographic photosensitive member according to claim 1 or 5, having a strong peak at 27.3 °.

A process cartridge integrally supporting an electrophotographic photosensitive member, and at least one unit selected from a charging unit, a developing unit, and a cleaning unit, which is detachably attachable to an electrophotographic apparatus main body,
A process cartridge , wherein the electrophotographic photosensitive member is the electrophotographic photosensitive member according to any one of claims 1 to 8 .

In an electrophotographic apparatus having an electrophotographic photosensitive member, a charging unit, an exposure unit, a developing unit and a transfer unit,
The exposure means has a semiconductor laser having a wavelength of 380 to 500 nm as an exposure light source,
An electrophotographic apparatus , wherein the electrophotographic photosensitive member is the electrophotographic photosensitive member according to any one of claims 1 to 8 .

The electrophotographic apparatus according to claim 10 , wherein an oscillation wavelength of the semiconductor laser is 400 to 450 nm.