1. Tianjin Key Lab for Rare Earth Materials and Applications Center for Rare Earth and Inorganic Functional Materials Smart Sensing Interdisciplinary Science Center School of Materials Science and Engineering National Institute for Advanced Materials Nankai University Tianjin 300350 P. R. China
2. College of Chemistry Nankai University Tianjin 300071 P. R. China
3. College of Chemistry Tianjin Normal University Tianjin 300387 P. R. China
4. College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China