1 Shenzhen Geim Graphene Center(SGC), Tsinghua-Berkeley Shenzhen Institute(TBSI), Tsinghua University, Shenzhen 518055, China; 2 Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
We acknowledge the fnancial support from the National Natural Science Foundation of China (Nos. 51521091 and 51722206), the Youth 1000-Talent Program of China, the Shenzhen Basic Research Project (No. JCYJ20170307140956657), the China Postdoctoral Science Foundation (No. 2018M641346), the Economic, Trade and Information Commission of Shenzhen Municipality for the "2017 Graphene Manufacturing Innovation Center Project" (No. 201901171523), and the Development and Reform Commission of Shenzhen Municipality for the development of "Low-Dimensional Materials and Devices" disciplines.