1. School of Mechanical and Automotive Engineering
2. South China University of Technology
3. Guangzhou 510640
4. P. R. China
5. Center for Advanced Analytical Science
6. c/o School of Chemistry and Chemical Engineering
7. Guangzhou University
8. Guangzhou 510006
9. Key Laboratory for Polymeric Composite & Functional Materials of Ministry of Education
10. School of Chemistry
11. Sun Yat-sen University
12. Guangzhou 510275