カーボンフィルムへの分子吸着と電気抵抗変化

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概要

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• Carbon films were prepared from polyimide films (Kapton and Upilex-s with thickness of 50 µm) by heat treatment at 750 °C under Ar atmosphere. The electrical resistance of the carbon films was remarkably increased with the adsorption of acetone and decreased with its desorption. The magnitude of the resistance change increased with increasing vapor pressure of acetone and with decreasing temperature. The weight and resistance changes during the adsorption of acetone were simultaneously determined. A linear relationship was confirmed between them. It was also found that similar resistance changes were observed for adsorption of aqueous ammonia and nitric acid.

著者

• 玉田 耕治

  Department of Electrical Engineering, Tokyo National College of Technology

• 丸山 和音

  Department of Chemical Science and Engineering, Tokyo National College of Technology

• 塩野 杏奈

  Department of Chemical Science and Engineering, Tokyo National College of Technology

• 阿久沢 昇

  Department of Chemical Science and Engineering, Tokyo National College of Technology

• 竹市 力

  Department of Environmental and Life Science, Toyohashi University of Technology

関連論文

• カーボンフィルムへの分子吸着と電気抵抗変化

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