1. Key Laboratory of Graphene Technologies and Applications of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, People’s Republic of China
2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
3. School of Microelectronics, Shandong University, Jinan 250100, People’s Republic of China
4. Jisheng Photoelectric (SHENZHEN) Co. LTD, Shenzhen 518126, People’s Republic of China