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Proceedings Paper

Charge trapping in photorefractive polymers
Author(s): George G. Malliaras; Victor V. Krasnikov; Henk J. Bolink; Georges Hadziioannou
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Paper Abstract

Modification of the trap density of the photorefractive polymer composite poly(N-vinyl carbazole), 2,4,7-trinitro-9-fluorenone, and N,N-diethyl-para-nitrozniline is achieved with the addition of 4-(diethylamino)bensaldehyde diphenylhydrazone (DEH). Measurements of the response time and the phase shift of the photorefractive gratings indicate that at low concentrations DEH acts as a trap, while at higher concentrations a new charge transport pathway through hopping between DEH molecules is established. The transient behavior of these gratings further supports this picture.

Paper Details

Date Published: 23 August 1995
PDF: 8 pages
Proc. SPIE 2526, Xerographic Photoreceptors and Photorefractive Polymers, (23 August 1995); doi: 10.1117/12.217307
Show Author Affiliations
George G. Malliaras, State Univ. of Groningen (Netherlands)
Victor V. Krasnikov, State Univ. of Groningen (Netherlands)
Henk J. Bolink, State Univ. of Groningen (Netherlands)
Georges Hadziioannou, State Univ. of Groningen (Netherlands)

Published in SPIE Proceedings Vol. 2526:
Xerographic Photoreceptors and Photorefractive Polymers
Stephen Ducharme; Paul M. Borsenberger, Editor(s)

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