1. Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
2. State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130021, P. R. China
3. School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, P. R. China
4. Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, P. R. China
5. Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun 130022, P. R. China