The doughboys network: Social interactions and labor market outcomes of World War I veterans

An electrophotographic sensitive plate is formed by depositing first and second photoconductive layers on a conductive substrate in which the first photoconductive layer provides a rectifying barrier for preventing the injection of charges from the substrate and the second photoconductive layer is formed in a reticulated pattern. The second photoconductive layer may comprise a mixture of selenium with an element selected from the group consisting of Te, As and Sb. One of the photoconductive layers has a greater sensitivity than the other so as to improve the fidelity of half tone image reproduction. A transparent organic semiconductor layer is formed on the second photoconductive layer to maintain electric charges on its surface and for transporting photo-charge carriers generated within the first and second photoconductive layers. In an alternative embodiment the second photoconductive layer comprises a mixture in which the amount of the selected element is less than the amount of the selected element in the first photoconductive layer.

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