MANUFACTURING METHOD OF GRAPHENE TRANSPARENT CONDUCTIVE FILM AND GRAPHENE TRANSPARENT CONDUCTIVE FILM MANUFACTURED THEREWITH

PROBLEM TO BE SOLVED: To provide a technique solving problems of graphene film formation with traditional thermal CVD or resin carbonization, without using carbon content gas such as methane, forming graphene at low temperature in a short time, and controlling a number of layers.SOLUTION: By making...

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Bibliographische Detailangaben
Hauptverfasser: KATO RYUICHI, TSUGAWA KAZUO, HASEGAWA MASATAKA, ISHIHARA MASANORI, YAMADA TAKATOSHI, OKIKAWA YUKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a technique solving problems of graphene film formation with traditional thermal CVD or resin carbonization, without using carbon content gas such as methane, forming graphene at low temperature in a short time, and controlling a number of layers.SOLUTION: By making a very small amount of carbon contained in a metal substrate precipitate on the surface of the substrate by heating, and by plasma treatment using hydrogen gas under decompression, graphene grows on the substrate surface, and a graphene transparent conductive film is provided. 【課題】 従来の熱CVDおよび樹脂炭化法によるグラフェン成膜の課題を解決し、メタンガスなどの炭素含有ガスを使用することなく、より低温で短時間にグラフェンを形成し、かつ層数を制御する手法を提供する。【解決手段】 金属製基材内部に含まれる微量の炭素を加熱により基材表面に析出させ、さらに減圧下において水素ガスを用いたプラズマ処理を行うことにより、該基材表面にグラフェンを成長させてグラフェン透明導電膜を得る。【選択図】 なし