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Citation: Xu Zhidong, Wang Min, Feng Dianzhong. Syntheses and Fluorescence Properties of Ternary Rare Earth Complexes with 3-Pyridine Carboxylic Acid and Phenanthroline[J]. Chinese Journal of Applied Chemistry, ;1999, 16(2): 22-26. shu

Syntheses and Fluorescence Properties of Ternary Rare Earth Complexes with 3-Pyridine Carboxylic Acid and Phenanthroline

1.
a Department of Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018;
2.
b Department of Chemisry, Lanzhou University, Lanzhou

Received Date: 1 June 1998
Available Online: 7 October 1998

Fourteen complexes of rare earth with 3-pyridine carboxylic acid(HL) and 1,10-phenanthroline (Phen) have been synthesized. The complexes have the constitution of REL₃·Phen (RE=La,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Y) as characterized by elemental analysis, molar conductance measurement, IR, UV, ¹H NMR, X-ray powder analysis, TG and DTA techniques. The fluorescence intensities of EuL₃·Phen and TbL₃·Phen were found to be enhanced by introduction of the neutral ligand Phen.
- rare earth,
- pyridine carboxylic acid,
- phenanthroline,
- ternary complex,
- synthesis,
- fluorescence spectrum
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