A photoconductive imaging member including a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer contains, for example, a metal oxide dispersed in an in situ formed inorganic/organic network wherein the inorganic component is silica, titania or zirconia, and the organic component is a mixture of a phenolic compound and a phenolic resin, and wherein the phenolic compound can contain, for example, at least two phenolic groups.