Air-Stable n-Channel Single-Crystal Field-Effect Transistors

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概要

• 論文の詳細を見る

• Single-crystal transistors of highly electron-affine organic compounds were constructed on solid dielectrics to study intrinsic constraints for the n-channel field effect in ambient atmosphere. 7,7,8,8-Tetracyanoquinodimethane field-effect devices reproducibly operate as n-type organic transistors with a high mobility of 0.2–0.5 cm2 V-1 s-1 in the air. The mobilities are higher than that of reported polycrystalline thin film transistors of same compound by three orders of maginitude. The threshold gate voltage is negligible unlike most other air-stable n-type organic transistors reported. Together with the other example of less electron-affine semiconductor crystal showing air-stable field effect but with notable threshold voltage, the result suggests that crucial in air-stable n-channel field effect is sufficient electron-affinity of the organic semiconductors.

• 2010-01-25

著者

• Takeya Jun

  Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan

• Takeya Jun

  Graduate School Of Science Osaka University

• Uemura Takafumi

  Graduate School Of Science Osaka University

• Yamagishi Masakazu

  Graduate School Of Medical Science Department Of Internal Medicine Kanazawa University

• Tominari Yoshihiro

  Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan

• Yamada Koichi

  Central Research Institute of Electric Power Industry, Komae, Tokyo 201-8511, Japan

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