1. Key Laboratory of Radiopharmaceuticals Ministry of Education
2. College of Chemistry
3. Beijing Normal University
4. Beijing 100875
5. P. R. China
6. Key Laboratory of Photochemical Conversion and Optoelectronic Materials
7. Technical Institute of Physics and Chemistry
8. Chinese Academy of Sciences
9. Beijing 100190
10. Department of Chemistry
11. University of Liverpool
12. Donnan Lab
13. Liverpool
14. UK