1. State Key Laboratory of Applied Organic Chemistry
2. College of Chemistry and Chemical Engineering
3. Key Laboratory of Special Function Materials and Structure Design (MOE)
4. Lanzhou University
5. Lanzhou 730000, P. R. China
6. School of Physical Science and Technology
7. Soochow University
8. Suzhou 215006, P. R. China
9. Department of Physics
10. Harbin Institute of Technology