1. Nanotechnology Center; Institute of Textiles and Clothing; The Hong Kong Polytechnic University, Hung Hom; Kowloon, Hong Kong SAR China
2. Advanced Research Center for Fashion and Textiles; The Hong Kong Polytechnic University; Shenzhen Research Institute; Shenzhen 518000 China
3. School of Physics; CRANN and AMBER; Trinity College Dublin; Dublin 2 Ireland
4. Center for Programmable Materials School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
5. Department of Chemistry and Department of Energy Engineering; Ulsan National Institute of Science and Technology; Ulsan 689-798 Republic of Korea
6. Materials Science and Engineering; Rutgers University; 607 Taylor Road Piscataway NJ 08854 USA