Electrophotographic photoreceptor

Details Electrophotographic photoreceptor Electrophotographic photoreceptor

1987-12-23

1989-07-25

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 65, 430 67, G03G 5082, G03G 504

Patent

active

048513121

ABSTRACT:
An electrophotographic photoreceptor comprising a conductive substrate and a photoconductive layer disposed on the conductive substrate to generate photocarriers upon light radiation. The photoconductive layer comprises a charge-generating layer and a charge-retaining layer. At least part of the charge-generating layer has a plurality of thin microcrystalline semiconductor layers containing silicon as a major constituent and at least one element selected from the group consisting of carbon, hydrogen, and nitrogen. The plurality of microcrystalline layers produce a superlattice structure. The adjacent thin microcrystalline semiconductor layers have different element concentrations. At least part of the charge-retaining layer has a first amorphous semiconductor layer containing silicon as a major constituent and a second amorphous semiconductor layer containing silicon as a major constituent, and at least one element selected from the group consisting of carbon, oxygen, and nitrogen.

REFERENCES:
patent: 4683184 (1987-07-01), Osawa et al.
patent: 4701395 (1987-10-01), Wronski
patent: 4720444 (1988-01-01), Chen
patent: 4722479 (1988-02-01), Ueno et al.

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