1. Key Laboratory of Cluster Science of Ministry of Education
2. Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
3. School of Chemistry and Chemical Engineering
4. Beijing Institute of Technology
5. Beijing
6. College of Chemistry
7. Sichuan University
8. Chengdu 610064
9. China
10. State Key Laboratory for Mechanical Behavior of Materials
11. Xi'an Jiaotong University
12. Xi'an 710049