Organic Layered Photoconductor
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Del.icio.us| IP.com Number | IPCOM000053591D |
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| Dated | Oct 1, 1981 UTC | ||
| Size | 1 page(s) (11.1 KB) | ||
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Publication Summary
A thin layer of a material with a higher oxidation potential than the charge transport layer (CTL) is placed over the CTL to prolong the quality and lifetime of the resolution of the photoconductor.| Country | United States |
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| Language | English (United States) |
| Related Person(s) |
(AUTHOR) Pacansky, J (AUTHOR) Rodgers, FL |
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Organic Layered Photoconductor
A thin layer of a material with a higher oxidation potential than the charge transport layer (CTL) is placed over the CTL to prolong the quality and lifetime of the resolution of the photoconductor.
Layered organic photoconductors generally consist of two layers; one is the
charge generation layer (CGL), and the other is the charge transport layer (CTL).
The CTL is usually a mixture of an easily oxidizable organic material mixed into a
polymeric matrix. Since the organic compound in the CTL is the hole-transporting
agent, its oxidation potential must be low enough to permit holes to be readily
transported through the CTL from the CGL (i.e., perpendicular to the surface of
the photoconductor) but must be high enough to keep surface conductivity low
(i.e., parallel to the surface of the photoconductor). A thin film with a higher
oxidation potential than the CTL is coated onto the photoconductor in order to
reduce the latter conductivity while not affecting the former.
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