supported by National Natural Science Foundation of China (No. 11765010);the National Key Research and Development Program of China (No. 2019YFC1907900);the Applied Basic Research Programs of Yunnan Provincial Science and Technology Department (No. 202001AW070004);the Freely Exploring Fund for Academicians in Yunnan Province (No. 2018HA006);the Key Laboratory of Resource Chemistry, Ministry of Education (No. KLRCME2001)
In this study, graphene sheets are prepared under a hydrogen atmosphere without a catalyst, and the growth mechanism of graphene by direct current arc discharge is investigated experimentally and numerically. The size...