Easily Accessible Rare-Earth-Containing Phosphonium Room-Temperature Ionic Liquids: EXAFS, Luminescence and Magnetic Properties

Jorge Alvarez Vicente, Sahra Dandil, Dipanjan Banerjee, H. Q. Nimal Gunaratne, Suzanne Gray, Solveig Felton, Geetha Srinivasan, Anna M. Kaczmarek, Rik Van Deun, Peter Nockemann

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Abstract

A range of liquid rare-earth chlorometallate complexes with alkyl-phosphonium cations, [P666 14]+, has been synthesised and characterised. EXAFS confirmed the predominant liquid-state speciation of the [LnCl6]3- of the series with Ln = Nd, Eu, Dy. The crystal structure of the shorter-alkyl-chain cation analogue [P4444]+ has been determined and exhibits a very large unit cell. The luminescence properties, with visible light emissions of the liquid Tb, Eu, Pr and Sm and the NIR emissions for the Nd and Er compounds were determined. The effective magnetic moments were measured and fitted for the Nd, Tb, Ho, Dy, Gd and Er samples.
Original languageEnglish
Pages (from-to)5301–5311
Number of pages11
JournalJournal of Physical Chemistry B
Volume120
Issue number23
Early online date20 May 2016
DOIs
Publication statusPublished - 2016

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Ionic liquids
Rare earths
Luminescence
Magnetic properties
Liquids
Positive ions
Light emission
Magnetic moments
Temperature
Crystal structure

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Alvarez Vicente, Jorge ; Dandil, Sahra ; Banerjee, Dipanjan ; Gunaratne, H. Q. Nimal ; Gray, Suzanne ; Felton, Solveig ; Srinivasan, Geetha ; Kaczmarek, Anna M. ; Van Deun, Rik ; Nockemann, Peter. / Easily Accessible Rare-Earth-Containing Phosphonium Room-Temperature Ionic Liquids: EXAFS, Luminescence and Magnetic Properties. In: Journal of Physical Chemistry B. 2016 ; Vol. 120, No. 23. pp. 5301–5311.
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abstract = "A range of liquid rare-earth chlorometallate complexes with alkyl-phosphonium cations, [P666 14]+, has been synthesised and characterised. EXAFS confirmed the predominant liquid-state speciation of the [LnCl6]3- of the series with Ln = Nd, Eu, Dy. The crystal structure of the shorter-alkyl-chain cation analogue [P4444]+ has been determined and exhibits a very large unit cell. The luminescence properties, with visible light emissions of the liquid Tb, Eu, Pr and Sm and the NIR emissions for the Nd and Er compounds were determined. The effective magnetic moments were measured and fitted for the Nd, Tb, Ho, Dy, Gd and Er samples.",
author = "{Alvarez Vicente}, Jorge and Sahra Dandil and Dipanjan Banerjee and Gunaratne, {H. Q. Nimal} and Suzanne Gray and Solveig Felton and Geetha Srinivasan and Kaczmarek, {Anna M.} and {Van Deun}, Rik and Peter Nockemann",
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Easily Accessible Rare-Earth-Containing Phosphonium Room-Temperature Ionic Liquids: EXAFS, Luminescence and Magnetic Properties. / Alvarez Vicente, Jorge; Dandil, Sahra; Banerjee, Dipanjan; Gunaratne, H. Q. Nimal; Gray, Suzanne; Felton, Solveig; Srinivasan, Geetha; Kaczmarek, Anna M.; Van Deun, Rik; Nockemann, Peter.

In: Journal of Physical Chemistry B, Vol. 120, No. 23, 2016, p. 5301–5311.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Easily Accessible Rare-Earth-Containing Phosphonium Room-Temperature Ionic Liquids: EXAFS, Luminescence and Magnetic Properties

AU - Alvarez Vicente, Jorge

AU - Dandil, Sahra

AU - Banerjee, Dipanjan

AU - Gunaratne, H. Q. Nimal

AU - Gray, Suzanne

AU - Felton, Solveig

AU - Srinivasan, Geetha

AU - Kaczmarek, Anna M.

AU - Van Deun, Rik

AU - Nockemann, Peter

PY - 2016

Y1 - 2016

N2 - A range of liquid rare-earth chlorometallate complexes with alkyl-phosphonium cations, [P666 14]+, has been synthesised and characterised. EXAFS confirmed the predominant liquid-state speciation of the [LnCl6]3- of the series with Ln = Nd, Eu, Dy. The crystal structure of the shorter-alkyl-chain cation analogue [P4444]+ has been determined and exhibits a very large unit cell. The luminescence properties, with visible light emissions of the liquid Tb, Eu, Pr and Sm and the NIR emissions for the Nd and Er compounds were determined. The effective magnetic moments were measured and fitted for the Nd, Tb, Ho, Dy, Gd and Er samples.

AB - A range of liquid rare-earth chlorometallate complexes with alkyl-phosphonium cations, [P666 14]+, has been synthesised and characterised. EXAFS confirmed the predominant liquid-state speciation of the [LnCl6]3- of the series with Ln = Nd, Eu, Dy. The crystal structure of the shorter-alkyl-chain cation analogue [P4444]+ has been determined and exhibits a very large unit cell. The luminescence properties, with visible light emissions of the liquid Tb, Eu, Pr and Sm and the NIR emissions for the Nd and Er compounds were determined. The effective magnetic moments were measured and fitted for the Nd, Tb, Ho, Dy, Gd and Er samples.

U2 - 10.1021/acs.jpcb.6b03870

DO - 10.1021/acs.jpcb.6b03870

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SP - 5301

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JO - J. Phys. Chem. B

JF - J. Phys. Chem. B

SN - 1520-6106

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