1. CAS Key Laboratory of Standardization and Measurement for Nanotechnology
2. CAS Center for Excellence in Nanoscience
3. National Center for Nanoscience and Technology
4. Beijing 100190
5. P. R. China
6. Center for Nanochemistry
7. Beijing National Laboratory for Molecular Sciences
8. Key Laboratory for the Physics and Chemistry of Nanodevices
9. State Key Laboratory for Structural Chemistry of Unstable and Stable Species
10. College of Chemistry and Molecular Engineering