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Synthesis and Luminescence of Methyl-Phenacyl Sulfoxide Complexes with Heavy Rare Earth Perchlorate

LI Wen-xian,QI Qi-ge,WANG Hong-sheng,QIN Cai-hua,GUO Lei,CHEN Li-juanCollege of Chemistry and Chemical Industry,Inner Mongolia University,Hohhot 010021,China  
RE(ClO_4)_3·L_5·C_2H_5OH(RE=Gd,Tb,Dy,Tm,Yb;L=C_6H_5COCH_2SOCH_3) complexes were synthesized.The composion of the complexes was determined by elemental analysis,coordination titration,molar conductivities,and TGA studies.The ligand and coordination compounds were studied by means of IR spectra,()~1H NMR,and the Tb(Ⅲ) coordination compound was studied by means of phosphorescence spectra,and fluorescence excitation and emission spectra.Each energy level of Tb~(3+) was calculated according to the fluorescent emission spectra results.
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