1. Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
2. Solar Energy Research Institute of Singapore (SERIS), National University of Singapore, Singapore 117574, Singapore
3. Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
4. Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Fuzhou 350207, China
5. Triumph Photovoltaic Materials Co. Ltd., Anhui 233050, China
6. Institute for Health Innovation and Technology, National University of Singapore, Singapore 117599, Singapore
7. Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
8. The N.1 Institute for Health, National University of Singapore, Singapore 117456, Singapore
9. Institute of Materials Research and Engineering, Agency for Science Technology and Research, Singapore 138634, Singapore