Multi-layered imaging member.

摘要

An electrophotographic imaging member is disclosed consisting essentially of a supporting substrate (26), a charge transport layer (24) substantially free of arsenic and tellurium and consisting essentially of selenium and a halogen selected from the group consisting of from about 4 parts per million by weight to about 13 parts per million by weight of chlorine and from about 8 parts per million by weight to about 25 parts per million by weight of iodine, and a photoconductive charge generator layer (22) comprising selenium, from about 5 percent to about 20 percent by weight tellurium, from about 0.1 percent to about 4 percent by weight arsenic, and a halogen selected from the group consisting of up to about 70 parts per million by weight of chlorine and up to about 140 parts per million by weight of iodine, one surface of. the charge generator layer being in operative electrical contact with the charge transport layer and the other surface of the charge generator layer being exposed to the ambient atmosphere. This electrophotographic imaging member may be employed in a process involving depositing a substantially uniform positive electrostatic charge on the exposed surface of the photoconductive charge generator layer of the electrophotographic imaging member, exposing the electrophotographic imaging member to an imagewise pattern of electromagnetic radiation to which the selenium-tellurium-arsenic alloy photoconductive charge generating layer is responsive whereby an electrostatic latent image is formed on the electrophotographic imaging member, developing the electrostatic image with electrostatically attractable toner particles to form a toner particle deposit in image configuration, and transferring the toner particle deposit to a receiving member. The process may be repeated numerous times in an automatic device.