1. College of Materials and Chemical Engineering
2. Zhengzhou University of Light Industry
3. Zhengzhou 450002
4. P. R. China
5. School of Chemical and Biological Engineering
6. Lanzhou Jiaotong University
7. Lanzhou
8. State Key Laboratory of Applied Organic Chemistry (SKLAOC)
9. Key Laboratory of Special Function Materials and Structure Design (MOE)
10. College of Chemistry and Chemical Engineering
11. Lanzhou University