| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an excellent electrophotographic photoreceptor that has extremely excellent sensitivity compared with the prior art and prevents decrease in performance due to environmental variation.SOLUTION: This invention provides an electrophotographic photoreceptor wherein a photosensitive layer comprises, as a charge generating material, butanediol-added titanyl phthalocyanine, and as an electron transport material, a naphthalene tetracarboxylic acid diimide compound and/or pyrazolone compound. The photosensitive layer is preferably a positive charge type single layer.</p> |
