1. Department
of Chemistry, Northeast Normal University, Changchun, Jilin 130024, People’s Republic of China
2. Department
of Chemistry and Center of Novel Functional Molecules, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, People’s Republic of China
3. Xiamen
Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, People’s Republic of China