Affiliation: | 1. Institute of Materials Research and Engineering (IMRE), A*STAR (Agency for Science, Technology and Research), Singapore, Republic of Singapore;2. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, P. R. China;3. Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore |