Journal
PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
Volume 129, Issue -, Pages 1-27Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pnmrs.2021.12.001
Keywords
NMR; Ionic liquids; Structure; Dynamics; Spectroscopy
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This review presents recent developments in the application of NMR spectroscopic techniques in the study of ionic liquids, focusing on their use for structural characterization and dynamics exploration.
This review presents recent developments in the application of NMR spectroscopic techniques in the study of ionic liquids. NMR has been the primary tool not only for the structural characterization of ionic liquids, but also for the study of dynamics. The presence of a host of NMR active nuclei in ionic liquids permits widespread use of multinuclear NMR experiments. Chemical shifts and multinuclear coupling constants are used routinely for the structure elucidation of ionic liquids and of products formed by their covalent interactions with other materials. Also, the availability of a multitude of NMR techniques has facilitated the study of dynamical processes in them. These include the use of NOESY to study inter ionic interactions, pulsed-field gradient techniques for probing transport properties, and relaxation measurements to elucidate rotational dynamics. This review will focus on the application of each of these techniques to investigate ionic liquids.(c) 2022 Elsevier B.V. All rights reserved.
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