1. TUM-CREATE, 1 Create Way, #10-02 CREATE Tower, Singapore 138602, Singapore
2. School
of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
3. Energy
Research Institute @ NTU (ERI@N), Nanyang Technological University, Singapore 637553, Singapore
4. Environmental & Water Technology Centre of Innovation, Ngee Ann Polytechnic, Singapore 599489, Singapore