Negatively chargeable electrophotographic photoreceptor

Details Negatively chargeable electrophotographic photoreceptor Negatively chargeable electrophotographic photoreceptor

1995-06-05

1996-09-17

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 66, 430 67, G03G 5082

Patent

active

055567290

ABSTRACT:
An electrophotographic photoreceptor comprising: an electrically conductive substrate, a charge injection blocking layer formed on said electrically conductive substrate, a photoconductive layer comprising a single layer formed on said charge injection blocking layer, said photoconductive layer comprising amorphous silicon containing boron, a positive hole capturing layer formed on said photoconductive layer, said positive hole capturing layer being selected from the group comprising amorphous silicon containing less than 50 ppm boron and amorphous silicon being substantially composed of hydrogen and silicon atoms, and a surface layer formed on said positive hole capturing layer. The boron concentration contained in said photoconductive layer is 0.01-1000 ppm. The surface layer is formed by amorphous silicon nitride, amorphous silicon oxide, amorphous silicon carbide or amorphous carbon as a main body. The charge injection blocking layer has amorphous silicon as a main body and contains a group V element. The electrophotographic photoreceptor is excellent in the dark attenuation, the sensitivity and electrification capacity and does not cause image flow or image fogging on copied images obtained by using the photoreceptor.

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Diamond, Arthur S. (1991) Handbook of Imaging Materials. New York: Marcel-Dekker, Inc. pp. 447-455 & 482.

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