Novel squarium compounds which have a flat photosensitivity in the wide range from visible ray region to the near infrared ray region as a charge generator and which can be prepared by reacting squaric acid and an aniline derivative, and electrophotographic photoreceptors containing the squarium compounds are disclosed.
本发明公开了在从可见光区到近红外线区的宽范围内作为电荷发生器具有平坦感光性的新型鳞片化合物,该化合物可通过鳞片酸和
苯胺衍
生物反应制备,还公开了含有该鳞片化合物的电致发光感光元件。