1. School of Materials Science and Engineering, Nanyang Technological University (NTU), 50 Nanyang Avenue, Singapore 639798, Republic of Singapore
2. Energy Research Institute @NTU (ERI@N), Research Techno Plaza, X-Frontier Block, Level 5, 50 Nanyang Drive, Singapore 637553, Republic of Singapore
3. CSIR—National Physical Laboratory, New Delhi 110012, India
4. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, U.P-201002, India
5. Department of Chemistry, Hong Kong University of Science and Technology (HKUST), Clear Water Bay Road, Kowloon, Hong Kong 999077, China S.A.R
6. High Field NMR Facility, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Republic of Singapore