Patent ID: 7223507

Claim:
A photoconductive imaging member comprised of a supporting substrate, and thereover a single layer comprised of a mixture of a photogenerator component, a charge transport component, an electron transport component, and a polymer binder, and wherein the charge transport component is selected from the group consisting of N,N′-bis-(3,4-dimethylphenyl)-4-biphenyl amine; N,N′-bis-(4-methylphenyl)-N,N′-bis-(4-ethylphenyl)-1,1′,3,3′-dimethylbiphenyl)-4,4′-diamine; N,N′-diphenyl-N,N′-bis(alkylphenyl)-1,1′-biphenyl-4,4′-diamine; and tri-p-tolylamine; and wherein the electron transport component is N—R 1 —N′—R 2 -1,4,5,8-naphthalenetetracarboxylic diimide represented by the formula wherein R 1 is methyl, ethoxy, propoxy, cycloalkyl, or halide; R 2 is methyl, ethoxy, propoxy, or cycloalkyl; and R 3 , R 4 , R 5 and R 6 are independently selected from the group consisting of methyl, cycloalkyl, ethoxy, propoxy, phenyl, naphthyl, anthryl, and halogen.