Author Affiliations

Jinzhang Wang,^1,* Shuangchen Ruan,^1,* Richard Howe,² Guohua Hu,² Zhipei Sun,³ and Tawfique Hasan²

¹College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China

²Cambridge Graphene Centre, University of Cambridge, Cambridge, CB3 0FA, UK

³Department of Micro- and Nanosciences, Aalto University, Aalto, FI-00076, Finland

^*Corresponding author: jzwang@szu.edu.cn, scruan@szu.edu.cn