[1] NE Normal Univ, Coll Chem, Minist Educ, Key Lab Polyoxometalate Sci, Changchun 130024, Peoples R China
[2] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
[3] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710054, Shaanxi, Peoples R China
[4] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA