Electrophotographic photosensitive member

Details Electrophotographic photosensitive member Electrophotographic photosensitive member

1991-10-22

1993-07-13

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 76, 430 78, 430135, 540141, G03G 506, G09B 6750

Patent

active

052272710

ABSTRACT:
An electrophotographic photosensitive member, comprising: an electroconductive support and a photosensitive layer disposed on the electroconductive support, wherein the photosensitive layer comprises (i) oxytitanium phthalocyanine having a crystal form characterized by main peaks specified by Bragg angles (2.theta..+-.0.2 degree) of 9.0 degrees, 14.2 degrees, 23.9 degrees and 27.1 degrees in X-ray diffraction pattern based on CuK.alpha. characteristic X-rays, and (ii) a fluorene compound represented by the following formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup.2 independently denote aryl group optionally having a substituent; R.sup.1 and R.sup.2 independently denote alkyl group optionally having a substituent, aralkyl group optionally having a substituent or aryl group optionally having a substituent; and R.sup.3 denotes hydrogen atom, alkyl group optionally having a substituent, alkoxy group optionally having a substituent, hydroxyl group or halogen atom.

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Patent Abstracts of Japan, vol. 10, No. 101, (P-447)[2158], Apr. 17, 1986 of JPA 60-233656, published Nov. 20, 1985.

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