1. School
of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
2. Institute
of Materials Research and Engineering (IMRE), Agency of Science, Technology, and Research (A*STAR), 3 Research Link, Singapore 117602, Singapore
3. Residues
and Resource Reclamation Centre, Nanyang Technological University, Singapore 637141, Singapore