1. SZU‐NUS Collaborative Innovation Center for Optoelectronic Science & Technology International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 China
2. Engineering Product Development Pillar Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
3. Singapore Department of Electrical and Computer Engineering National University of Singapore Singapore 117583 Singapore
4. Institute of Materials Research and Engineering A*STAR (Agency for Science Technology and Research) Singapore 138634 Singapore