1. Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
2. Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
3. Technospex Pte Ltd., 1092 Lower Delta Road, No. 04-01 Tiong Bahru Industrial Estate, Singapore 169203
4. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Innovation Center for Textile Science and Technology, Donghua University, 2999 North Renmin Road, Shanghai 201620, P.R. China
5. Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu, P.R. China
6. Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, No. 08-03, Singapore 138634