1. Department of Materials Science
2. Fudan University
3. Shanghai 200433
4. People's Republic of China
5. John A. Paulson School of Engineering and Applied Sciences
6. Harvard University
7. Cambridge
8. USA
9. Zhejiang Key Laboratory of Drinking Water Safety and Distribution Technology
10. College of Civil Engineering and Architecture
11. Zhejiang University
12. Hangzhou
13. Department of Physics