1. State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied Chemistry Chinese Academy of Sciences 130022 Changchun China
2. University of Science and Technology of China 230026 Hefei China
3. Department of Chemistry Tsinghua University 100084 Beijing China
4. Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China
5. Wenzhou Institute University of Chinese Academy of Sciences Wenzhou Zhejiang 325001 China
6. East China Normal University China