1. National Engineering Laboratory of Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
2. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
3. Kazuo Inamori School of Engineering, Alfred University, Alfred, NY 14802, USA
4. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798
5. State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China