Electrophotographic photoreceptors including selenium-based multilayers (original) (raw)

Semiconductor Science and Technology, 1997

Abstract

ABSTRACT Multilayer amorphous selenium-based photoreceptors were prepared by thermal evaporation in a vacuum at . Amorphous multilayers of Se/CdSe, as well as a combination of a thin film and multilayers were used as photogeneration layers. `Pure' Se or were the transport layers. The xerographic properties of the photoreceptors were studied and some peculiarities of the charge transport in different designed photoreceptors are discussed. Xerographic photosensitivity at illumination with different wevelengths was determined and a comparison with the sensitivity of conventional photoreceptors is made. All photoreceptors are photosensitive in the whole visible region. The photoreceptors including are also sensitive in the near-infrared region. The xerographic properties of the studied photoreceptors remained unaltered in air at room temperature for more than 12 months.

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