My-oxo-gallium phthalocyanine dimer having novel polymorph and electrophotographic photoreceptor prepared by using the same

摘要

The present invention provides mu -oxo-gallium phthalocyanine dimer having novel polymorphic forms. The mu -oxo-gallium phthalocyanine dimer may be applied to as a charge generator for an organic photoconductive material, such as a high-gamma photoreceptor which is corresponding to a short-wavelength of light source (LED).