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Cited by 269

The DOI matches its Crossref record; 68 of the 68 references it cites were found in a registry or an index.

Density and Surface Tension of Ionic Liquids

Kolbeck, C., Lehmann, J., Lovelock, K. R. J., Cremer, T., Paape, N., Wasserscheid, P., Fröba, A. P., Maier, F., Steinrück, H.-P.·2010·The Journal of Physical Chemistry B
DOI 10.1021/jp1068413
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Abstract

We measured the density and surface tension of 9 bis[(trifluoromethyl)sulfonyl]imide ([Tf(2)N](-))-based and 12 1-methyl-3-octylimidazolium ([C(8)C(1)Im](+))-based ionic liquids (ILs) with the vibrating tube and the pendant drop method, respectively. This comprehensive set of ILs was chosen to probe the influence of the cations and anions on density and surface tension. When the alkyl chain length in the [C(n)C(1)Im][Tf(2)N] series (n = 1, 2, 4, 6, 8, 10, 12) is increased, a decrease in density is observed. The surface tension initially also decreases but reaches a plateau for alkyl chain lengths greater than n = 8. Functionalizing the alkyl chains with ethylene glycol groups results in a higher density as well as a higher surface tension. For the dependence of density and surface tension on the chemical nature of the anion, relations are only found for subgroups of the studied ILs. Density and surface tension values are discussed with respect to intermolecular interactions and surface composition as determined by angle-resolved X-ray photoelectron spectroscopy (ARXPS). The absence of nonvolatile surface-active contaminants was proven by ARXPS.

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Metadata

Authors
Kolbeck, C., Lehmann, J., Lovelock, K. R. J., Cremer, T., Paape, N., Wasserscheid, P., Fröba, A. P., Maier, F., & Steinrück, H.-P.
Venue
The Journal of Physical Chemistry B
Publisher
American Chemical Society (ACS)
Published
2010-12-08
Volume
114
Issue
51
Pages
17025-17036
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
DOI
10.1021/jp1068413
OpenAlex
W2043154200
Cited by
269
References
68
FWCI
5.32
Type
journal article
Language
en
Open access
closed

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