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Proceedings Paper

Study on the photoinduced current in nematic liquid crystal cell with alkanethiol self-assembled monolayer
Author(s): Fengfeng Yao; Yanbo Pei; Xiudong Sun
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Paper Abstract

In this paper we constructed nematic liquid crystal (NLC) cells with the gold film as one substrate as well as the cells with the gold film covered with decanethiol and hexadecanethiol self-assembled monolayers (SAMs). We found the photocurrents in these three kinds of cells all increased linearly with the power of the 632.8nm illuminating beam. And the existence of alkanethiol SAM or application a high voltage could enhance the growth rate of the above linear relations. These indicated that the current originated from the light induced carrier injection from the gold electrode to NLC film, and a model of photocurrent limited by near-electrode excitons was introduced to explain the photoinduced carrier injection.

Paper Details

Date Published: 11 March 2008
PDF: 4 pages
Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 69843C (11 March 2008); doi: 10.1117/12.792163
Show Author Affiliations
Fengfeng Yao, Harbin Institute of Technology (China)
Yanbo Pei, Harbin Institute of Technology (China)
Xiudong Sun, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 6984:
Sixth International Conference on Thin Film Physics and Applications
Wenzhong Shen; Junhao Chu, Editor(s)

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