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Issue 40, 2019
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Designing a new type of magnetic ionic liquid: a strategy to improve the magnetic susceptibility

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Abstract

A new type of magnetic ionic liquid (MIL) with the general formula [Ln(TODGA)3][Ln(hfa)4]3 (Ln = Tb, Dy, Ho, Er, Tm, Yb; TODGA = N,N,N′,N′-tetra(n-octyl)diglycolamide; hfa = 1,1,1,5,5,5-hexafluoroacetylacetone) named as MILs 1–6, containing the same lanthanide ions in the cation and anion has been synthesized and characterized. The values of χMT (T = 300 K) for MILs 1–6 are 46.7, 54.2, 52.2, 43.9, 26.7, and 8.7 cm3 mol−1 K, respectively, four times higher than those of MILs containing single corresponding lanthanide ions. The magnetic properties of these MILs indicate that it is an effective strategy to improve the magnetic susceptibility by incorporating lanthanide ions in both the cation and anion of ionic liquids.

Graphical abstract: Designing a new type of magnetic ionic liquid: a strategy to improve the magnetic susceptibility

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Publication details

The article was received on 04 Jul 2019, accepted on 16 Sep 2019 and first published on 21 Sep 2019


Article type: Letter
DOI: 10.1039/C9NJ03464A
New J. Chem., 2019,43, 15857-15860

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    Designing a new type of magnetic ionic liquid: a strategy to improve the magnetic susceptibility

    K. Wu and X. Shen, New J. Chem., 2019, 43, 15857
    DOI: 10.1039/C9NJ03464A

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