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Stability of Divalent Europium in an Ionic Liquid: Spectroscopic Investigations in 1-Methyl-3-butylimidazolium Hexafluorophosphate

Abstract : 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 BumimPF 6 , 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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https://hal.archives-ouvertes.fr/hal-02271940
Contributor : Isabelle Billard <>
Submitted on : Tuesday, August 27, 2019 - 6:09:28 PM
Last modification on : Tuesday, November 24, 2020 - 11:18:05 AM

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Isabelle Billard, Gilles Moutiers, Alexandre Labet, Antoine El Azzi, Clotilde Gaillard, et al.. Stability of Divalent Europium in an Ionic Liquid: Spectroscopic Investigations in 1-Methyl-3-butylimidazolium Hexafluorophosphate. Inorganic Chemistry, American Chemical Society, 2003, 42 (5), pp.1726-1733. ⟨10.1021/ic0260318⟩. ⟨hal-02271940⟩

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