a-Si:H感光体用表面保護膜の研究(Ⅲ):— a-C系表面保護膜の特性 —

概要

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Hydrogenated amorphous silicon (a-Si:H) photoreceptors coated with amorphous silicon carbide (a-SiC:H) films become to be wettable with increasing the cycles of corona discharge and consequently the printing image becomes to be unclear when the printing is done under the high humidity. An XPS analysis shows that the relative intensity of O1s/Si2p for a-SiC:H films increases with the cycles of corona discharge. The a-SiC:H films become to be wettable by the formation of SiO.<br/>Hydrogenated amorphous carbon (a-C:H) and fluorinated amorphous carbon (a-C:F:H) films are investigated for the surface passivation films on a-Si:H photoreceptors. These films are more hydrophobic and stable after corona discharge than a-SiC:H films. In the cyclic test of the corona discharge and light exposure, a-Si:H photoreceptors coated with a-C:F:H films have much longer life-time than those with a-SiC:H films in terms of printing sharp image.
The Imaging Society of Japanの論文