Electrophotographic photoreceptor and image forming apparatus including the same
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United States of America Patent
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Mar 22, 2016
Grant Date -
Aug 28, 2014
app pub date -
Sep 27, 2012
filing date -
Sep 30, 2011
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Abstract
An electrophotographic photoreceptor includes a cylindrical base and a photosensitive layer disposed on the cylindrical base. The photosensitive layer has a photoconductive layer disposed on the cylindrical base, a charge injection blocking layer disposed on the photoconductive layer, and a surface layer disposed on the charge injection blocking layer. The charge injection blocking layer contains at least one of nitrogen and oxygen, carbon, and a group 13 element. A content of the at least one of nitrogen and oxygen contained in the charge injection blocking layer is lower on a side of the surface layer than on a side of the photosensitive layer.
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