Patent ID: 8252499

Claim:
A process of producing a photoconductor, comprising: preparing a photosensitive layer coating solution comprising a mixture of two charge generating material dispersions; wherein the mixture of two charge generating material dispersions are prepared by dispersing crystalline titanyl phthalocyanine in an appropriate solvent, dispersing X-metal free phthalocyanine in an appropriate solvent, and then mixing the two dispersions in a solution prepared by dissolving a binder resin, an electron transporting material and a positive-hole transporting substance; coating a conductive substrate with the photosensitive layer coating solution to form a photosensitive layer; and drying the photosensitive layer; wherein the photoconductor comprises at least a conductive substrate and a single-layered photosensitive layer over the conductive substrate, and the photosensitive layer contains at least a charge generating material, an electron transporting material, a positive-hole transporting substance and a binder resin; the charge generating material contains crystalline titanyl phthalocyanine having a maximum diffraction peak of at least 27.2° as a diffraction peak ±0.2° of the Bragg angle 2θ with respect to the Cu-Kα line of the wavelength of 1.542Å, further having major peaks at 9.4° , 9.6° , 24.0° , and also having a peak at 7.3° as a diffraction peak on the lowest angle side but not having a peak between the peak of 7.3° and that of 9.4° , and X-metal free phthalocyanine; and the electron transporting material contains a compound represented by the following General Formula (1), where, R 1 and R 2 may be the same or different from each other and each represent any one of a hydrogen atom, an alkyl group that may have a substituent group, a cycloalkyl group that may have a substituent group and an aralkyl group that may have a substituent group; R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , and R 14 may be the same or different from each other and each represent any one of a hydrogen atom, a halogen atom, a cyano group, a nitro group, an amino group, a hydroxyl group, an alkyl group that may have a substituent group, a cycloalkyl group that may have a substituent group, and an aralkyl group that may have a substituent group; and “n” stands for the number of repeating units and is an integer of 0 to 100.