1 Department of Chemistry, National University of Singapore, Singapore, Singapore.
2 Institute of Chemical and Engineering Sciences, Agency for Science, Technology and Research, Singapore, Singapore.
3 Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, Switzerland.
4 Department of Chemistry, Southern University of Science and Technology, Shenzhen, China.
5 Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of the Ministry of Education, Tsinghua University, Beijing, China.
6 CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China.
7 SZU-NUS Collaborative Center and International Collaborative Laboratory of 2D Materials for Optoelectronic Science & Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, China.
8 School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore. xiaoxu.zhao@ntu.edu.sg.
9 Department of Chemistry, Southern University of Science and Technology, Shenzhen, China. junli@tsinghua.edu.cn.
10 Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of the Ministry of Education, Tsinghua University, Beijing, China. junli@tsinghua.edu.cn.
11 Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, Switzerland. jpr@chem.ethz.ch.
12 Department of Chemistry, National University of Singapore, Singapore, Singapore. chmluj@nus.edu.sg.
13 Centre for Advanced 2D Materials and Graphene Research Centre, National University of Singapore, Singapore, Singapore. chmluj@nus.edu.sg.
14 Institute for Functional Intelligent Materials, National University of Singapore, Singapore, Singapore. chmluj@nus.edu.sg.