Studies of the Dye-Doped Polymer-Stabilized Cholesteric Texture Films
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概要
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Results obtained from studies of dye-doped polymer-stabilized cholesteric texture (PSCT) films are described. The morphology of the polymer networks and the electrooptical (EO) characteristics of the films are measured with various concentrations of methyl red (MR). The density of the polymer network is increased and the radius of the polymer network is decreased as the MR concentration in the LC/monomer mixture increases. Also, the PSCT films have a lower threshold voltage at a higher MR concentration. The EO effects of the dye-doped PSCT films are measured and a photovoltage is found to be created during pumping with an Ar+ laser. The polymer networks in the cell markedly slow down the diffusion and migration velocity of photocharges in this experiment.
- 2003-06-15
著者
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Fuh Andy
Department Of Physics And Institute Of Electro-optical Science And Engineering National Cheng Kung U
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Lo Kuang-yao
Department Of Applied Physics National Chiayi University
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Huang Chi-Yen
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Hsu Heh-Teng
Department of Electronic Engineering, Kun Shan University of Technology, Tainan, Taiwan 710, ROC
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Hsu Guey-Chu
Department of Physics, National Cheng Kung University, Tainan, Taiwan 701, ROC
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Huang Chi-Yen
Graduate Institute of Opto-electronic Engineering, National Chang Hua University of Education, Changhua, Taiwan 500, ROC
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Lo Kuang-Yao
Department of Applied Physics, National Chia Yi University, Chia-Yi, Taiwan 600, ROC
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Fuh Andy
Department of Physics and Electro-Optical Institute, National Cheng Kung University, Tainan, Taiwan 701, R.O.C.
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