| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having high sensitivity and high responsiveness in a long wavelength region, showing no degradation in electric characteristics even when repeatedly used, and having high stability. <P>SOLUTION: The electrophotographic photoreceptor includes a photosensitive layer containing at least a charge generating agent, a charge transporting agent and a binder resin, layered on a conductive support. The charge generating agent is oxytitanium phthalocyanine, having the maximum peak at Bragg angle (2θ±0.2°) of 27.2° in an X-ray diffraction spectrum and simultaneously having a peak at 28.6° with an intensity less than 20% of the intensity at 27.2°, and further having a diffraction peak at 7.3° as a diffraction peak at the smallest angle, but having no diffraction peak in the range from 7.4° to less than 9.4°. The charge transporting agent contains a compound having a specified bisbutadiene structure. <P>COPYRIGHT: (C)2012,JPO&INPIT |
