Organophotoreceptor with charge transport material having two hydrazone groups

改进的有机光感受器包括导电基底和位于导电基底上的光电导元件，该光电导元件包含：(a)具有以下通式的电荷传输材料如右式其中R#-[1]、R#-[2]、R#-[3]、R#-[4]、R#-[5]、R#-[6]、R#-[7]和R#-[8]独立为烷基、烷芳基、芳基或杂环基，X和X'独立为芳香基，Z是具有通式-(CH#-[2])#-[m]-的支链或直链的二价连接基，其中m是1～30之间且包括端值的整数，可以用O、S、C＝O、O＝S＝O、杂环基、芳香基、氨基甲酸酯基、脲基、酯基、NR#-[9]基、CHR#-[10]基或CR#-[11]R#-[12]基代替一个或多个亚甲基，其中R#-[9]和R#-[10]独立为氢原子、羟基、硫醇基、烷氧基、烷基或芳基，并且R#-[11]和R#-[12]独立为氢原子、羟基、硫醇基、烷氧基、烷基、芳基或环状结构的一部分和(b)电荷产生化合物。也描述了相应的电子照相成像装置和方法。 The present invention provides an organophotoreceptor comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where R1, R2, R3, R4, R5, R6, R7, and R8 are, independently, an alkyl group, an alkaryl group, an aryl group, or heterocyclic group, X and X' are, independently, aromatic groups, and Z is a divalent linking group having the formula -(CH2)m-, branched or linear, where m is an integer between 1 and 30, inclusive, and one or more of the methylene groups may be replaced by O, S, C=O, O=S=O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR9 group, a CHR10 group, or a CR11R12 group where R9 and R10 are, independently, H, hydroxyl, thiol, an alkoxy group, an alkyl group, or an aryl group, and R11, and R12 are, independently, H, hydroxyl, thiol, an alkoxy group, an alkyl group, an aryl group, or a part of a cyclic ring; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.