Imaging member with layers containing trigonal se and...

Details Imaging member with layers containing trigonal se and... Imaging member with layers containing trigonal se and...

G - Physics

03

G

96/187

G03G 5/04 (2006.01) G03G 5/043 (2006.01) G03G 5/06 (2006.01)

Patent

CA 1091076

IMAGING SYSTEM ABSTRACT OF THE DISCLOSURE A photosensitive member having at least two electrically operative layers is disclosed. The first layer comprises trigonal selenium which is capable of photogenerating holes and injecting the photo-generated holes into a contiguous charge trans- port layer. The charge transport layer comprises a transparent electrically inactive organic resinous material containing from about 15 to about 75 percent by weight (throughout) of bis(4- diethylamino-2-methylphenyl)phenylmethane. The charge transport layer while substantially non-absorbing in the spectral region of intended use, is "active" in that it allows injection of photo-generated holes from the trigonal selenium carrier generating layer, and allows these photo-generated holes to be transported through the charge transport layer. This structure may be imaged in the conventional xerographic mode which usually includes charging, exposure to light and development.

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