1. School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637457, Singapore
2. School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
3. Institute of Flexible Electronics Technology of THU, Jiaxing, Zhejiang 314000, China
4. Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
5. Skin Research Institute of Singapore, Singapore 308232, Singapore
6. Lee Kong Chian School of Medicine, Institute for Digital Molecular Analytics and Science, Nanyang Technological University, Singapore 636921, Singapore