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KMID : 1059519960400010065
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Journal of the Korean Chemical Society
1996 Volume.40 No. 1 p.65 ~ p.71
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A Study on the Electronic Properties and Redox Reaction of Europium(Ⅲ) Complexes in Aprotic Solvent
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Choi Chil-Nam
Son Hyo-Youl
Kim Se-Bong
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Abstract
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The chemical behaviour of the Eu(Ⅲ) complexes with organic ligands(tris[3-(trifluoromethylhydroxymethylene-camphorato)]) and tris[3-heptafluoropropylhydroxymethylene-camphorato)] has been investigated by the UV/vis-spectrophotometric, magnetic, and electrochemcial methods. The two or three energy absorption bands are observed by the spectra of these complexes. The magnitude of crystal field splitting energy, the spin pair energy and strength were obtained from the spectra of the complexes. These complexes are found to be delocalization, low-spin state, and strong bonding strenth of electron configuration. The magnetic dipolemoment are found to be diamagnetic. The redox reaction processes of complexes were investigated by cyclic voltammetry in aprotic solvent. The redox reaction processes of complexes are turned out to be single or double reaction with respect to one electron diffusion current
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KEYWORD
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