1. The
Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory
of Rare Earth Functional Materials, and Department of Chemistry, Shanghai Normal University, Shanghai 200234, P. R. China
2. Shanghai
Synchrotron Radiation Facility (SSRF), Shanghai Institute of Applied
Physics, Chinese Academy of Sciences, Shanghai 201204, P. R. China
3. Center
for Functional Nanomaterials, Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea