1. Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 637371, Singapore
2. Energy
Research Institute@NTU (ERI@N), Nanyang Technological University, Singapore 639798, Singapore
3. Heterogeneous
Catalysis, Institute of Chemical Engineering and Sciences, A*Star, 1 Pesek Road, Jurong Island 627833, Singapore
4. Energy Research
Institute (ERI@N), Interdisciplinary Graduate School, Nanyang Technological University, Singapore 637553, Singapore