1. Beijing
National Laboratory for Molecular Sciences, State Key Laboratory of
Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory
in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry
and Molecular Engineering, Peking University, Beijing 100871, China
2. State
Key Laboratory of Physical Chemistry of Solid Surfaces, Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
3. Shanghai
Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China