.mu. -oxo-galliuim phthalocyanine dimer having novel polymorph a

Details .mu. -oxo-galliuim phthalocyanine dimer having novel polymorph a .mu. -oxo-galliuim phthalocyanine dimer having novel polymorph a

1997-08-29

1999-06-08

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 78, G03G 506

Patent

active

059103841

ABSTRACT:
The present invention provides .mu.-oxo-gallium phthalocyanine dimer having a novel polymorph. The .mu.-oxo-gallium phthalocyanine dimer may be applied as a charge generator for an organic photoconductive material, such as a photoreceptor of practical use and a high-gamma photoreceptor. The resulting organic photoconductive material has good stability and good electronic properties. The .mu.-oxo-gallium phthalocyanine dimer having a novel polymorph which shows diffraction peaks at a Bragg angle (2 .theta..+-.0.2.degree.) of 6.8.degree., 12.9.degree., 19.0.degree., 19.6.degree., 20.3.degree., 25.5.degree., 25.9.degree. and 26.9.degree. in an X-ray diffraction spectrum by CuK .alpha.-ray.

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