1. State
Key Laboratory of Rare Earth Resource Utilization, ERC for the Separation
and Purification of REs and Thorium, Changchun Institute of Applied
Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
2. University of Chinese Academy of Sciences, Beijing 100049, P. R. China
3. State
Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College
of Chemistry, Jilin University, Changchun 130012, P. R. China
4. Molecular
Design Institute, Department of Chemistry, New York University, New York, New York 10003, United States