1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
2. College of Chemistry
3. Jilin University
4. Changchun 130012
5. P. R. China
6. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
7. Nankai University
8. Tianjin 300071
9. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics
10. Wuhan Institute of Physics and Mathematics
11. Chinese Academy of Sciences
12. Wuhan 430071