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.; Gray, Suzanne; Felton, Solveig; Srinivasan, Geetha; Kaczmarek, Anna; Van Deun, Rik; Nockemann, Peter

doi:10.1021/acs.jpcb.6b03870

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

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Alvarez-Vicente J., Dandil S., Banerjee D., Gunaratne H. N., Gray S., Felton S., ...More

Journal of Physical Chemistry B, vol.120, no.23, pp.5301-5311, 2016 (SCI-Expanded)

Publication Type: Article / Article
Volume: 120 Issue: 23
Publication Date: 2016
Doi Number: 10.1021/acs.jpcb.6b03870
Journal Name: Journal of Physical Chemistry B
Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Page Numbers: pp.5301-5311
Bilecik Şeyh Edebali University Affiliated: Yes

Abstract

© 2016 American Chemical Society.A range of liquid rare earth chlorometallate complexes with the alkyl-phosphonium cation, [P666 14]+, has been synthesized and characterized. EXAFS confirmed the predominant liquid-state speciation of the [LnCl6]3- ion in 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.