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Cited by 4,358

The DOI matches its Crossref record.

Hydrophobic, Highly Conductive Ambient-Temperature Molten Salts

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Bonhôte, Pierre, Dias, Ana-Paula, Papageorgiou, Nicholas, Kalyanasundaram, Kuppuswamy, Grätzel, Michael·1996·Inorganic Chemistry
DOI 10.1021/ic951325x
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Abstract

New, hydrophobic ionic liquids with low melting points (<-30 degrees C to ambient temperature) have been synthesized and investigated, based on 1,3-dialkyl imidazolium cations and hydrophobic anions. Other imidazolium molten salts with hydrophilic anions and thus water-soluble are also described. The molten salts were characterized by NMR and elemental analysis. Their density, melting point, viscosity, conductivity, refractive index, electrochemical window, thermal stability, and miscibility with water and organic solvents were determined. The influence of the alkyl substituents in 1, 2, 3, and 4(5)-positions on these properties was scrutinized. Viscosities as low as 35 cP (for 1-ethyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)amide (bis(triflyl)amide) and trifluoroacetate) and conductivities as high as 9.6 mS/cm were obtained. Photophysical probe studies were carried out to establish more precisely the solvent properties of 1-ethyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)amide). The hydrophobic molten salts are promising solvents for electrochemical, photovoltaic, and synthetic applications.

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Authors
Bonhôte, P., Dias, A.-P., Papageorgiou, N., Kalyanasundaram, K., & Grätzel, M.
Venue
Inorganic Chemistry
Publisher
American Chemical Society (ACS)
Published
1996-01-01
Volume
35
Issue
5
Pages
1168-1178
ISSN
  • 0020-1669 (ISSN-L)
  • 1520-510X
DOI
10.1021/ic951325x
OpenAlex
W2060151241
Cited by
4,358
References
0
FWCI
9.57
Type
journal article
Language
en
Open access
green

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