1. Centre for Disruptive Photonic Technologies, School of Physical and Mathematical Sciences, Nanyang Technological University 637371, Singapore
2. Department of Chemistry and Centre for Advanced 2D Materials (CA2DM), 3 Science Drive 3 117543, Singapore
3. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences (SPMS), NTU, 21 Nanyang Link 637371, Singapore
4. Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (Nanjing Tech), 30 South Puzhu Road, Nanjing 211816, P. R. China
5. ERI@N, Research Techno Plaza, X-Frontier Block, Level 5, 50 Nanyang Drive 637553, Singapore
6. Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), Harbin University of Science and Technology, Harbin 150080, P. R. China
7. Energy Research Institute @ NTU, ERI@N, Interdisciplinary Graduate School, Nanyang Technological University 639798, Singapore
8. Materials Science and Engineering Program, State University of New York at Binghamton Binghamton, New York 13902, United States
9. Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan
10. College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China
11. Beijing Computational Science Research Center, 100094 Beijing, China