1. College of Electron and Information Engineering
2. Key Laboratory of Digital Medical Engineering of Hebei Province
3. Key Laboratory of Optoelectronic Information Materials of Hebei Province
4. Hebei University
5. Baoding 071002
6. Jiangsu Province Special Equipment Safety Supervision and Inspection Institute
7. Branch of Wuxi
8. National Quality Supervision and Inspection Center of Graphene Products (Jiangsu)
9. Wuxi 2147174
10. P. R. China
11. Key Laboratory of Microelectronic Devices & Integrated Technology, Institute of Microelectronics
12. Chinese Academy of Sciences
13. Beijing 100029
14. Department of Materials Science and Engineering
15. National University of Singapore
16. Singapore