[11a-W521-1~4] 17.2 Graphene

[11a-W521-2] Graphene CVD growth using ethanol on gallium liquid surfaces

〇Tomoki Tsuji¹, Kenta Arima¹, Kazuya Yamamura¹, Kentaro Kawai¹ (1.Osaka Univ.)

Keywords:graphene growth, gallium, alcohol CVD

The conventional graphene CVD methods require complicated transferring from a metal substrate. Here, we present to grow graphene directly on an insulated substrate by using gallium as a catalyst without transferring. Gallium, a liquid metal, was dropped onto the substrate and graphene was successfully grown on and between gallium and substrate in ethanol vapor and nitrogen atmosphere at 1000℃. After removing gallium, graphene was grown directly on an insulated substrate.