2023
DOI: 10.1021/acsnano.3c06609
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Nanostructure of Locally Concentrated Ionic Liquids in the Bulk and at Graphite and Gold Electrodes

Jianan Wang,
Joshua J. Buzolic,
Jesse W. Mullen
et al.

Abstract: The physical properties of ionic liquids (ILs) have led to intense research interest, but for many applications, high viscosity is problematic. Mixing the IL with a diluent that lowers viscosity offers a solution if the favorable IL physical properties are not compromised. Here we show that mixing an IL or IL electrolyte (ILE, an IL with dissolved metal ions) with a nonsolvating fluorous diluent produces a low viscosity mixture in which the local ion arrangements, and therefore key physical properties, are ret… Show more

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Cited by 6 publications
(1 citation statement)
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“…Liquids at surfaces and in confined spaces behave significantly differently from their bulk phase, with the resulting physical properties being highly dependent on the type of liquid and solid. This is particularly important for energy devices where the liquid is in contact with an electrode. At the molecular level, these property changes result from liquid–electrode interactions and an imposed change in liquid–liquid interactions near the surface. , Water, water-based electrolytes, ionic liquids (ILs), , and other electrolytes are often studied in combination with solids such as carbon materials, ,,,,,,, transition-metal oxides, metal–organic frameworks, ,, or metal surfaces. , ILs have several favorable properties as electrolyte materials, such as low volatility, a wide electrochemical window, and high thermal and chemical stability. However, the viscosities of most ILs are high at room temperature, accompanied by a slow diffusion of ions, and thus neat ILs usually have a relatively low ionic conductivity at ambient conditions .…”
Section: Introductionmentioning
confidence: 99%
“…Liquids at surfaces and in confined spaces behave significantly differently from their bulk phase, with the resulting physical properties being highly dependent on the type of liquid and solid. This is particularly important for energy devices where the liquid is in contact with an electrode. At the molecular level, these property changes result from liquid–electrode interactions and an imposed change in liquid–liquid interactions near the surface. , Water, water-based electrolytes, ionic liquids (ILs), , and other electrolytes are often studied in combination with solids such as carbon materials, ,,,,,,, transition-metal oxides, metal–organic frameworks, ,, or metal surfaces. , ILs have several favorable properties as electrolyte materials, such as low volatility, a wide electrochemical window, and high thermal and chemical stability. However, the viscosities of most ILs are high at room temperature, accompanied by a slow diffusion of ions, and thus neat ILs usually have a relatively low ionic conductivity at ambient conditions .…”
Section: Introductionmentioning
confidence: 99%