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Cited by 347

The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.

Spectroscopic Identification of the Lithium Ion Transporting Species in LiTFSI-Doped Ionic Liquids

Lassègues, Jean-Claude, Grondin, Joseph, Aupetit, Christian, Johansson, Patrik·2009·The Journal of Physical Chemistry A
DOI 10.1021/jp806124w
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Abstract

The solvation of the lithium ion in LiTFSI-doped ionic liquids based on alkyl-substituted imidazolium cations and bis(trifluoromethanesulfonyl)imide anions (TFSI-) was investigated by infrared and Raman spectroscopies. The spectral changes occurring for some TFSI- vibrations sensitive to the lithium coordination were analyzed with the help of DFT calculations. In addition, the vibrations of the lithium ion in its solvating cage were found to produce a broad IR absorption band centered at 374 cm(-1). For low to moderate LiTFSI mole fractions, 0.08 < x < 0.2, the [Li(TFSI)2]- solvating cage was found to involve bidentate coordinations of Li+ with two oxygen atoms of one anion in the trans (C2) conformation and two oxygen atoms of the other anion in the cis (C1) conformation. At higher LiTFSI concentration, up to x = 0.5, the lithium ion-TFSI coordination number progressively becomes less than 2, indicating the possible formation of aggregates.

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Metadata

Authors
Lassègues, J.-C., Grondin, J., Aupetit, C., & Johansson, P.
Venue
The Journal of Physical Chemistry A
Publisher
American Chemical Society (ACS)
Published
2008-12-11
Volume
113
Issue
1
Pages
305-314
ISSN
  • 1089-5639 (ISSN-L)
  • 1520-5215
DOI
10.1021/jp806124w
OpenAlex
W2018723083
Cited by
347
References
15
FWCI
3.74
Type
journal article
Language
en
Open access
closed

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