1. Department of Chemistry, National University of Singapore, 3 Science Drive 3,
Singapore 117543
2. Graphene
Research Centre, National University of Singapore, 6 Science Drive 2,
Singapore 117546
3. Institute of High Performance Computing, 1 Fusionopolis Way, #16-16 Connexis,
Singapore 138632
4. Department
of Physics, National University of Singapore, 2 Science Drive 3,
Singapore 117542