1. Department of Chemical & Biomolecular Engineering and Polymer Program
2. Institute of Materials Science
3. University of Connecticut
4. Storrs, USA
5. Key Laboratory for Ultrafine Materials of Ministry of Education
6. School of Materials Science and Engineering
7. East China University of Science and Technology
8. Shanghai 200237, China
9. Department of Materials Science
10. School of Physical Science and Technology
11. Lanzhou University
12. Lanzhou, China