1. Beijing National Laboratory for Molecular Sciences (BNLMS)
2. Key Laboratory of Organic Solids, Institute of Chemistry
3. Chinese Academy of Sciences
4. Beijing 100190
5. P. R. China
6. Key Laboratory of Space Applied Physics and Chemistry
7. Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
8. School of Science
9. Northwestern Polytechnical University
10. Xi'an 710072