Space charge distribution in a charge transport layer of an organic photoconductor

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  • 有機感光体中の電荷輸送層における電荷挙動の観測
  • ユウキ カンコウタイチュウ ノ デンカ ユソウソウ ニ オケル デンカ キョド

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Abstract

Space charge accumulation phenomena have been widely discussed recently. Many researchers have used the pulsed electroacoustic space charge measuring method to evaluate the dc characteristics of insulating materials, especially those used with high-voltage cables, and their results should be useful for the development of high-voltage dc power apparatus. We have measured the internal space charge behavior of new functional polymers, such as ion conductive antistatic polymers by the method. In this paper, we describe the internal space charge behavior of a charge transport layer (CTL) of an organic photoconductor (OPC) with changing the electrode materials. The experimental results indicate that the hole injection into a CTL from an anode is influenced by the types of electrode materials. The maximum charge quantity was obtained when the Felmi level of an electrode material and that of a CTL.

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