1. Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
2. Key Laboratory of Cluster Science
3. Ministry of Education
4. School of Chemistry and Chemical Engineering
5. Beijing Institute of Technology
6. College of Life Sciences
7. Qingdao University
8. Qingdao 266071
9. P. R. China
10. Key Laboratory for Advanced Materials Processing Technology
11. State Key Laboratory of Tribology
12. Department of Mechanical Engineering
13. Tsinghua University