Electrophotographic photoreceptor comprising a squarylium compou

Details Electrophotographic photoreceptor comprising a squarylium compou Electrophotographic photoreceptor comprising a squarylium compou

1990-05-11

1992-04-14

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 74, 430 95, G03G 506

Patent

active

051047586

ABSTRACT:
An electrophotographic photoreceptor comprising an electrically conductive substrate having thereon a photosensitive layer is disclosed, wherein the photosensitive layer contains, as a charge generating material, a dispersion of selenium or a selenium alloy and at least one squarylium compound represented by formula (I): ##STR1## wherein A represents a fluorine atom, a hydrogen atom or a hydroxyl group, with B representing a hydroxyl group; or A represents a hydrogen atom or a fluorine atom, with B representing a methyl group, in the same binder resin. The electrophotographic photoreceptor not only has broad spectral sensitivity from the visible to infrared region but is excellent in other electrophotographic properties.

REFERENCES:
patent: 4707427 (1987-11-01), Tanaka et al.
patent: 4948687 (1990-08-01), Murase et al.

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