Imaging members

An image forming device comprising at least a photoreceptor, wherein the photoreceptor comprises

• a conductive substrate,
• a charge generating layer,
• a charge transport layer comprising a synthesized mixture of at least four different symmetric and/or unsymmetric charge transport molecules represented by:
• wherein R1, R2, R3, R4 are each selected from aryl groups comprising from 6 about to about 30 carbon atoms and halogen-substituted aryl groups comprising from about 6 to about 30 carbon atoms;
• A is selected from aromatic group bridges connecting two nitrogen atoms, comprising from about 6 to about 30 carbon atoms and halogen substituted aromatic group bridges connecting two nitrogen atoms, comprising from about 6 to about 30 carbon atoms, and a binder;
• wherein the synthesized mixture comprises
• N,N,N′,N′-Tetra-p-tolyl-biphenyl-4,4′-diamine,
• N,N′-Diphenyl-N,N′-di-m-tolyl-biphenyl-4,4′-diamine,
• N,N′-Bis-(4-butyl-phenyl)-N,N′-di-p-tolyl-biphenyl-4,4′-diamine,
• N,N′-Bis-(4-butyl-phenyl)-N,N′-di-m-tolyl-biphenyl-4,4′-diamine,
• N-Phenyl-N-m-tolyl-N′,N′-di-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N,N′,N′-tri-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N′-phenyl-N′-m-tolyl-N-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N-m-tolyl-N′,N′-di-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N′-phenyl-N,N′-di-m-tolyl-biphenyl-4,4′-diamine, and
• N,N′-Bis-(4-butyl-phenyl)-N-m-tolyl-N′-p-tolyl-biphenyl-4,4′-diamine,
• dispersed in a binder.

An imaging process comprising

• providing an imaging member comprising
• a conductive supporting layer and
• a photogenerating layer,
• a charge transport layer, the charge transport layer comprising a synthesized mixture of
• N,N,N′,N′-Tetra-p-tolyl-biphenyl-4,4′-diamine,
• N,N′-Diphenyl-N,N′-di-m-tolyl-biphenyl-4,4′-diamine,
• N,N′-Bis-(4-butyl-phenyl)-N,N′-di-p-tolyl-biphenyl-4,4′-diamine,
• N,N′-Bis-(4-butyl-phenyl)-N,N′-di-m-tolyl-biphenyl-4,4′-diamine,
• N-Phenyl-N-m-tolyl-N′,N′-di-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N,N′,N′-tri-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N′-phenyl-N′-m-tolyl-N-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N-m-tolyl-N′,N′-di-p-tolyl-biphenyl-4,4′-diamine,
• N-(4-Butyl-phenyl)-N′-phenyl-N,N′-di-m-tolyl-biphenyl-4,4′-diamine, and
• N,N′-Bis-(4-butyl-phenyl)-N-m-tolyl-N′-p-tolyl-biphenyl-4,4′-diamine,
• depositing a uniform electrostatic charge on the imaging member,
• exposing the imaging member to activating radiation in image configuration to form an electrostatic latent image, and
• developing the latent image with electrostatically attractable marking particles to form a toner image in conformance to the latent image.