Electrophotographic photoconductor and method for producing...

Details Electrophotographic photoconductor and method for producing... Electrophotographic photoconductor and method for producing...

2011-06-07

2011-06-07

Le, Hoa V (Department: 1721)

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

C430S058350, C430S058650

Reexamination Certificate

active

07955768

ABSTRACT:
There is provided an electrophotographic photoconductor containing a conductive substrate, and a photosensitive layer, disposed thereon, containing a charge transporting material having a triarylamine structure represented by General Formula 1, and wherein the photosensitive layer satisfies Mathematical Formula 1 when peak heights in raman scattering spectra of the triarylamine structure are measured at a wavenumber of 1,324±2 cm−1by a confocal raman spectroscopy using z-polarized light:where Ar1, Ar2, and Ar3are substituted or unsubstituted aromatic hydrocarbon groups, and Ar1and Ar2, Ar2and Ar3, and Ar3and Ar1are optionally combined to form heterocyclic rings, respectively,in-line-formulae description="In-line Formulae" end="lead"?ε=I(inside)/I(surface)≧1.1  Mathematical Formula 1in-line-formulae description="In-line Formulae" end="tail"?where I(inside)represents the peak height in of the raman scattering spectrum obtained at a depth of 5 μm or more from the photosensitive layer surface and I(surface)represents the peak height in the raman scattering spectrum obtained at a depth of less than 5 μm from the photosensitive layer surface.

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