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Volume: 44 | Article ID: art00009
Effects of NO2 and Nitric Acid on the Charge Acceptance of Organic Photoreceptors
  DOI :  10.2352/J.ImagingSci.Technol.2000.44.6.art00009  Published OnlineNovember 2000

The charge acceptance of single layer organic photoreceptors consisting of a-type Cu phthalocyanine pigments and hydrazone charge transport materials dispersed in thermosetting acrylic polymer is found to decrease when the surface is exposed to ambient NO2 gas. The electronic surface properties of the photoreceptors are investigated by treating the surface with HNO3 aqueous solutions and by measuring the applied voltage current characteristics. Internal photoemission experiments determine the energy level relationship between metal electrodes and the photoreceptors. The hole injection from the treated surface can be attributed to the formation of acceptor-like states at the surface. The improvement of charge acceptance based on this conclusion is presented.

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Kuniki Seino, Osamu Ebisu, "Effects of NO2 and Nitric Acid on the Charge Acceptance of Organic Photoreceptorsin Journal of Imaging Science and Technology,  2000,  pp 523 - 527,

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