1. Beijing National Laboratory for Molecular Sciences and CAS Key Laboratory of Organic Solids
2. Institute of Chemistry
3. Chinese Academy of Sciences
4. Beijing 100190
5. China
6. Department of Materials Science and Engineering
7. College of Engineering
8. Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
9. Peking University
10. Beijing 100871
11. State Key Laboratory for Mechanical Behavior of Materials
12. Xi'an Jiaotong University
13. Xi'an 710049