1. Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
2. Department of Electrical and Computer Engineering National University of Singapore 4 Engineering Drive 3 Singapore 117576 Singapore
3. Department of Electronics and Photonics Institute of High Performance Computing A*STAR (Agency for Science Technology and Research) 1 Fusionopolis Way, #16‐16 Connexis Singapore 138632 Singapore
4. LEES Program Singapore‐MIT Alliance for Research and Technology (SMART) Singapore 138602 Singapore
5. Centre for Advanced 2D Materials and Graphene Research Centre National University of Singapore 6 Science Drive 2 Singapore 117564 Singapore
6. Hybrid Materials for Opto‐Electronics Group Department of Molecules and Materials MESA+ Institute for Nanotechnology and Center for Brain‐Inspired Nano Systems Faculty of Science and Technology University of Twente P.O. Box 2017 Enschede 7500 AE The Netherlands