1. Interdisciplinary
Graduate School, Energy Research Institute at NTU, 639798 Singapore
2. Energy Research Institute @NTU (ERI@N), Research Techno Plaza, X-Frontier Block, Level 5, 50 Nanyang Drive, 637553 Singapore
3. Centre
for Sustainable Energy Systems, Research School of Engineering, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
4. Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University (NTU), 21 Nanyang Link, 637371 Singapore
5. Australian National Fabrication Facility, Department of Electronic Materials Engineering, Research School of Physics & Engineering, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
6. School
of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore