1. National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology
2. Lanzhou University
3. Lanzhou 730000
4. P. R. China
5. State Key Laboratory of Solid Lubrication
6. Polymer Program
7. Institute of Materials Science and Department of Chemical & Biomolecular Engineering
8. University of Connecticut
9. Storrs
10. USA
11. Lanzhou Institute of Chemical Physics
12. Chinese Academy of Sciences