Provided is an electrophotographic photosensitive member including a support and a photosensitive layer formed on the support, in which the photosensitive layer includes a phthalocyanine crystal containing a compound satisfying the following formulae (A) and (B) in itself: 8.9≤δP≤10.7 (A) and -3.2≤L≤-1.5 (B) (in the formula (A), δP represents a polar term of Hansen Solubility Parameters, and in the formula (B), L represents an energy level (eV) of an LUMO (lowest unoccupied molecular orbital) obtained as a result of structural optimization calculation based on density functional calculation B3LYP/6-31G).
本发明提供了一种电致发光感光构件,包括支撑体和形成在支撑体上的感光层,其中感光层包括
酞菁晶体,该晶体含有本身满足下式(A)和(B)的化合物:8.9≤δP≤10.7 (A)和-3.2≤L≤-1.5 (B)(式 (A) 中,δP 代表汉森溶解度参数的极性项,式 (B) 中,L 代表根据密度泛函计算 B3LYP/6-31G 进行结构优化计算后得到的 LUMO(最低未占分子轨道)能级(eV))。