1. Beijing National Laboratory of Molecular Sciences
2. CAS Key Laboratory of Organic Solids
3. Institute of Chemistry
4. Chinese Academy of Sciences
5. Beijing 100190, P. R. China
6. Institute of Molecular Functional Materials
7. Department of Chemistry and Institute of Advanced Materials
8. Hong Kong Baptist University
9. Hong Kong, P. R. China
10. HKBU Institute of Research and Continuing Education