Se or Se alloy electrophotographic photoreceptor

Details Se or Se alloy electrophotographic photoreceptor Se or Se alloy electrophotographic photoreceptor

1989-08-09

1992-02-04

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 95, G03G 5047, G03G 509

Patent

active

050859595

ABSTRACT:
An electrophotographic photoreceptor having a good printing quality can be provided by a photoreceptor comprising a charge transporation layer composed of a photosensitive material containing a hole mobility enhancing material. Thus, in accordance with an emboidment of the invention, it is possible to rapidly attenuate negative charge and to obtain a photoreceptor having a good printing quality by adding a hole mobility enhancing material to the CTL without producing a difference in print density between regions of the photoreceptor between sheets of paper and covered with a sheet. Some metal oxides and acids, such as WO.sub.2, WO.sub.3, MnO.sub.4, H.sub.3 PO.sub.3, H.sub.2 SO.sub.3 and HAsO.sub.2, are found to have a hole mobility enhancing effect to a CTL of a selenium alloy. Some metal elements, such as Sn, Co, Pb, Fe, Cu, Hg, Ag and Ce, are also found to have a hole mobility enhancing effect to the CTL. Finally, halogen elements are also found to have a hole mobility enhancing effect to the CTL.

REFERENCES:
patent: 3393070 (1968-07-01), Snelling
patent: 3639120 (1972-02-01), Snelling
patent: 3901703 (1975-08-01), Baum
patent: 4296191 (1981-10-01), Jacobson et al.
patent: 4379820 (1983-04-01), Nakamura et al.
patent: 4554230 (1985-11-01), Foley et al.
patent: 4868099 (1989-09-01), Narita
patent: 4990420 (1991-02-01), Urabe

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