1. School of Chemical Science
2. University of Chinese Academy of Sciences
3. Beijing 100049
4. China
5. Beijing National Laboratory for Molecular Sciences
6. Department of Physics and Organic and Carbon Electronics Lab (ORaCEL)
7. North Carolina State University
8. Raleigh
9. USA
10. CAS Key Laboratory of Organic Solids
11. Institute of Chemistry
12. Chinese Academy of Sciences
13. Beijing 100190