Improvement of Characteristics of Organic Thin-Film Transistor with Anodized Gate Insulator by an Electrolyte Solution and Low-Voltage Driving of Liquid Crystal by Organic Thin-Film Transistors
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概要
- 論文の詳細を見る
The characteristics of pentacene-based organic thin-film transistors (OTFTs) on plastic substrates with anodized gate insulators using different electrolyte solutions were investigated. The characteristics were significantly improved by using ammonium borate as the solution. The results show a good current-saturation characteristic, field-effect mobility of 0.51 cm2/Vs and a current on/off ratio of $10^{5}$ at a low drain voltage of 3 V. To investigate the reason for the improvements, the structural and electrical characteristics of OTFTs and insulators were examined using various methods such as X-ray diffraction, atomic force microscope, capacitance-voltage measurement and secondary ion mass spectroscopy. From the results of these experiments, it was found that the orientation of pentacene was improved and the concentration of impurities in the insulator decreased in the case of ammonium borate. We also examined low-voltage driving of liquid crystal devices by the OTFT, targeting its application for flexible displays. Improvement of characteristics by the solution was also confirmed in the driving.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2004-01-15
著者
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Inoue Youji
Nhk Sci. And Technical Res. Lab. Tokyo Jpn
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Tokito Shizuo
Nhk Sci. And Technical Res. Laboratories
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FUJIKAKE Hideo
NHK Science & Technical Research Laboratories
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KURITA Taiichiro
NHK Science & Technical Research Laboratories
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FUJISAKI Yoshihide
NHK Science & Technical Research Laboratories
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Kikuchi Hiroshi
Nhk Science & Technical Research Laboratories
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Tokito Shizuo
NHK Science & Technical Research Laboratories, 1-10-11 Kinuta, Setagaya-Ku, Tokyo 157-8510, Japan
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Fujisaki Yoshihide
NHK Science & Technical Research Laboratories, 1-10-11 Kinuta, Setagaya-Ku, Tokyo 157-8510, Japan
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