1. Research Institute for Biomimetics and Soft Matter; Fujian Provincial Key Laboratory for Soft Functional Materials Research; College of Physical Science and Technology; Xiamen University; 9 Zengcuoan West Road 361005 Xiamen China
2. C. Eugene Bennett Department of Chemistry; West Virginia University; Morgantown WV 26505 USA
3. College of Material Science and Engineering; Huaqiao University; 668 Jimei Avenue 361012 Xiamen China