1. Energy Research Institute @ NTU (ERI@N); Nanyang Technological University; Research Techno Plaza; 50 Nanyang Drive Singapore 637553 Singapore
2. School of Materials Science and Engineering; Nanyang Technological University; Singapore 639798 Singapore
3. School of Chemical Engineering; The University of New South Wales; Sydney NSW 2052 Australia
4. School of Civil and Environmental Engineering; Nanyang Technological University; Singapore 639798 Singapore