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AssigneeXerox Corporation
InventorsFrancis J. Wieloch, Charles C. Robinson, Frederick D. Gonyea, Harvey S. Towers, Anthony M. Horgan, Edward F. Grabowski, Satish Parikh
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An electrophotographic imaging member is disclosed having an imaging surface adapted to accept a negative electrical charge, the electrophotographic imaging member comprising a metal ground plane layer comprising zirconium, a hole blocking layer, a charge generation layer comprising photoconductive particles dispersed in a film forming resin binder, and a hole transport layer, the hole transport layer being substantially non-absorbing in the spectral region at which the charge generation layer generates and injects photogenerated holes but being capable of supporting the injection of photogenerated holes from the charge generation layer and transporting the holes through the charge transport layer.
An electrophotographic imaging member having an imaging surface adapted to accept a negative electrical charge, said electrophotographic imaging member comprising a metal ground plane layer comprising at least 50 percent by weight zirconium, a hole blocking layer, a charge generation layer comprising photoconductive particles dispersed in a film forming resin binder, and a hole transport layer, said hole transport layer being substantially non-absorbing in the spectral region at which the charge generation layer generates and injects photogenerated holes but being capable of supporting the injection of photogenerated holes from said charge generation layer and transporting said holes through said charge transport layer.
A flexible electrophotographic imaging member having an imaging surface adapted to accept a negative electric charge, said comprising a substrate, a metal base layer, a thin overcoating metal layer comprising at least 50 percent by weight of zirconium contiguous to said metal base layer, a hole blocking layer comprising a siloxane contiguous to said thin overcoating metal layer, said siloxane comprising a reaction product of a hydrolyzed silane having the structural formula ##STR13## wherein R.sub.1 is an alkylidene group containing 1 to 20 carbon atoms and R.sub.2 and R.sub.3 are independently selected from the group consisting of H, a lower alkyl group containing 1 to 3 carbon atoms, a phenyl group, a poly(ethylene)amino group and an ethylene diamine group, a charge generation layer comprising photoconductive particles dispersed in a film forming resin binder, and a hole transport layer comprising a resin binder and a diamine compound.
An electrophotographic imaging member comprising a substrate, a metal base layer, a zirconium metal layer comprising at least 50 percent by weight of zirconium, a blocking layer comprising a siloxane contiguous to said zirconium metal layer, said metal base layer comprising a metal which oxidizes more slowly than zirconium during passage of an electric current, said siloxane comprising a reaction product of a hydrolyzed silane having the general formula ##STR15## wherein R.sub.1 is an alkylidene group containing 1 to 20 carbon atoms and R.sub.2 and R.sub.3 are independently selected from the group consisting of H, a lower alkyl group containing 1 to 3 carbon atoms, a phenyl group, a poly(ethylene)amino group and an ethylene diamine group, an adhesive layer comprising a film forming polymer, a charge generation layer comprising photoconductive particles dispersed in a film forming binder, and a hole transport layer comprising a solid solution of a polycarbonate resin material and a diamine compound, said diamine compound having the general formula:
Dependencies are inferred from the claim text.