Trigonal Se layer overcoated by bis(4-diethylamino-2-methylpheny

Details Trigonal Se layer overcoated by bis(4-diethylamino-2-methylpheny Trigonal Se layer overcoated by bis(4-diethylamino-2-methylpheny

1976-04-02

1977-09-27

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 15R, 96 16, G03G 504, G03G 508

Patent

active

040509354

ABSTRACT:
A photosensitive member having at least two electrically operative layers is disclosed. The first layer comprises trigonal selenium which is capable of photogenerating holes and injecting the photo-generated holes into a contiguous charge transport layer. The charge transport layer comprises a transparent electrically inactive organic resinous material containing from about 15 to about 75 percent by weight (throughout) of bis(4-diethylamino-2-methylphenyl)phenylmethane. The charge transport layer while substantially non-absorbing in the spectral region of intended use, is "active" in that it allows injection of photo-generated holes from the trigonal selenium carrier generating layer, and allows these photo-generated holes to be transported through the charge transport layer. This structure may be imaged in the conventional xerographic mode which usually includes charging, exposure to light and development.

REFERENCES:
patent: 3787208 (1974-01-01), Jones
patent: 3813242 (1974-05-01), Ikeda et al.
patent: 3884691 (1975-05-01), Rochlitz
patent: 3904407 (1975-09-01), Regensburger et al.
patent: 3911091 (1975-10-01), Karam et al.
patent: 3926762 (1975-12-01), Goldstein
patent: 3954464 (1976-05-01), Karam et al.
patent: 3956524 (1976-05-01), Weigl
patent: 3961953 (1976-06-01), Millonzi et al.
patent: 3982937 (1976-09-01), Wiedemann

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