1. Key Laboratory of Theoretical and Computational Photochemistry Ministry of Education College of Chemistry Beijing Normal University Beijing 100875 P. R. China
2. State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, BNLMS Peking University Beijing 100871 P. R. China
3. Beijing Key Laboratory of Energy Conversion and Storage Materials College of Chemistry Beijing Normal University Beijing 100875 P. R. China
4. Key Lab of Functional Crystals and Laser Technology Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China