Positively chargeable single-layer electrophotographic photosensitive member and image forming apparatus

摘要

A positively chargeable single-layer electrophotographic photosensitive member includes a single-layer photosensitive layer. The single-layer photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. The electron transport material contains two or more compounds selected from the group consisting of compounds represented by the chemical formulas (1) to (4) below.;

主权项

1. A positively chargeable single-layer electrophotographic photosensitive member comprising:
a conductive substrate; and a single-layer photosensitive layer over the conductive substrate, wherein the single-layer photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin, the electron transport material contains a first compound and a second compound, and the first compound is represented by the chemical formula ETM-3 and the second compound is represented by one of the chemical formula ETM-7, the chemical formula ETM-8, and the chemical formula ETM-5, or the first compound is represented by the chemical formula ETM-5 and the second compound is represented by one of the chemical formula ETM-7 and the chemical formula ETM-8: