1. National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, P. R. China
2. College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P. R. China
3. School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, P. R. China
4. College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
5. Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore 637141, Singapore