ELECTROPHOTOGRAPHIC SENSITIVE BODY

PURPOSE:To enhance sensitivity of the photosensitive body and potential stability at the time of repeated uses by incorporating a specified azo pigment. CONSTITUTION:The photosensitive layer of this photosensitive body contains the azo pigment represented by formula I in which Ar is an aromatic hydr...

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Bibliographic Details
Main Author MIYAJI TOSHIE
Format Patent
LanguageEnglish
Published 12.02.1991
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PURPOSE:To enhance sensitivity of the photosensitive body and potential stability at the time of repeated uses by incorporating a specified azo pigment. CONSTITUTION:The photosensitive layer of this photosensitive body contains the azo pigment represented by formula I in which Ar is an aromatic hydrocarbon group or heterocyclic group optionally combined through a bonding group; X is an atomic group necessary to form a desired ring; R is alkyl, aralkyl, or the like; Z is O or S; m is 0 - 2, and n is 1 - 4. It is preferred to form the photosensitive layer having a laminate structure comprising an electric charge generating layer containing the pigment of formula I, embodied by a compound of formula II and a charge transfer layer containing a desired material, such as a hydrazone compound. In formula II, Ar is a group of formula III, and each of Cp1 and Cp2 is a group of formula IV.
Bibliography:Application Number: JP19890165195