[1] Suzhou Univ, Sch Chem & Chem Engn, Suzhou 215006, Peoples R China
[2] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China
[3] E China Normal Univ, Dept Phys, Key Lab Opt & Magnet Resonance Spect, Shanghai 200062, Peoples R China
[4] Nagoya Univ, Res Ctr Mat Sci, Dept Chem, Grad Sch Sci,Chikusa Ku, Nagoya, Aichi 4648602, Japan