1. School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore Singapore
2. Temasek Laboratories; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore Singapore
3. Institute of Advanced Materials and Technology; University of Science and Technology Beijing; Beijing 100083 China
4. Interdisciplinary Graduate School; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore Singapore
5. School of Electrical and Electronic Engineering; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore Singapore