[1] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore
[2] Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
[3] Peking Univ, Coll Chem & Mol Engn, PKU HKU Joint Lab Rare Earth Mat & Bioinorgan Che, Beijing 100871, Peoples R China
[4] Capital Med Univ, Sch Chem Biol & Pharmaceut, Beijing 100069, Peoples R China
[5] E China Normal Univ, Dept Chem, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China
[6] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore