1. CAS Key Laboratory of Molecular Nanostructure and Nanotechnology
2. Beijing National Laboratory for Molecular Sciences
3. Institute of Chemistry
4. Chinese Academy of Sciences (CAS)
5. Beijing 100190
6. Department of Materials Science and Engineering
7. CAS Key Laboratory of Materials for Energy Conversion
8. University of Science and Technology of China
9. Hefei 230026
10. P. R. China