Affiliation: | 1.Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore, 117542, Singapore ;2.Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore ;3.CINTRA UMI CNRS/NTU/THALES 3288, Research Techno Plaza, 50 Nanyang Drive, Level 6, Border X Block, Singapore, 637553, Singapore ;4.School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore ;5.Energy Research Institute @NTU (ERI@N), Nanyang Technological University, Research Techno Plaza, X-Frontier Block, Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore ;6.Singapore Synchrotron Light Source, National University of Singapore, 5 Research Link, Singapore, 1176033, Singapore ;7.NUS Graduate School for Integrative Sciences and Engineering (NGS), National University of Singapore, Singapore, 117456, Singapore ;8.NUSNNI-NanoCore, National University of Singapore, Singapore, 117411, Singapore ;9.Institute of Materials Research & Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore, 138634, Singapore ;10.Centre for Advanced 2D Materials, National University of Singapore, Block S14, Level 6, 6 Science Drive 2, Singapore, 117546, Singapore ; |