申请人:——
公开号:US20030082469A1
公开(公告)日:2003-05-01
An electrophotographic photoreceptor containing a charge generation material composition comprising a sandwich-type metal bisphthalocyanine compound represented by the general formula (I), having a primary particle diameter of 1 micron or less, and a phthalocyanine-based charge generation material represented by the general formula (II):
Pc=M1=Pc (I)
M2=Pc (II)
1
wherein Pc is a phthalocyanine residue of the general formula (III); R
1
˜R
16
are each a hydrogen atom, a halogen atom, a nitro group, an alkyl group or an alkoxy group; and
M
1
and M
2
each represent hydrogen or metal atom bonded to the center of a phthalocyanine residue, M
1
being an atom selected from the group consisting of Ti, Zr, Sn, Ge and lanthanides, and M
2
being an atom selected from the group consisting of hydrogen (H
2
), Cu and Al, and Ti, V, Zr, Ge, Ga and In to which oxygen, halogen atom, hydroxyl group or the like is bonded.
一种含有电荷发生材料组合物的电致发光感光器,该组合物包含通式(I)表示的主颗粒直径为1微米或更小的夹心型金属双酞菁化合物和通式(II)表示的酞菁基电荷发生材料:
Pc=M1=Pc (I)
M2=Pc (II)
1
其中 Pc 是通式(III)的酞菁残基; R
1
˜R
16
分别是氢原子、卤素原子、硝基、烷基或烷氧基;以及
M
1
和 M
2
分别代表氢原子或与酞菁残基中心结合的金属原子,M
1
是从 Ti、Zr、Sn、Ge 和镧系元素组成的组中选出的原子,而 M
2
是选自氢(H
2
)、Cu 和 Al 以及 Ti、V、Zr、Ge、Ga 和 In 所组成的组中的原子,氧、卤素原子、羟基或类似基团与之键合。