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Stability of divalent europium in an ionic liquid: Spectroscopic investigations in 1-methyl-3-butylimidazolium hexafluorophosphate

被引：135
作者：
Billard, I
Moutiers, G
Labet, A
El Azzi, A
Gaillard, C
Mariet, C
Lutzenkirchen, K
机构：
[1] CNRS, Inst Rech Subatom, IN2P3, F-67037 Strasbourg 2, France
[2] Univ Strasbourg, F-67037 Strasbourg 2, France
[3] CEA Saclay, INSTN, UECCC, F-91191 Gif Sur Yvette, France
来源：
INORGANIC CHEMISTRY | 2003年 / 42卷 / 05期
关键词：
D O I：
10.1021/ic0260318
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
In this work, devoted to 1-methyl-3-butylimidazolium hexafluorophosphate ionic liquid (BumimPF(6)), the importance of the purity of the solvent for spectroscopic investigations is highlighted. Results from small angle X-ray scattering indicate that the pure solvent exhibits a local organization. Europium(II), which appears to be unusually stable in BumimPF6, is characterized by spectroscopic techniques (absorption, luminescence). Solvation of Eu(II) in BumimPF(6) and complexation effects in the presence of the crown ether 15C5 solubilized in the ionic liquid are discussed.
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页码：1726 / 1733
页数：8
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