2021
DOI: 10.1063/5.0066180
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Evidence of supercoolable nanoscale water clusters in an amorphous ionic liquid matrix

Abstract: Nanoscale water clusters in an ionic liquid matrix, also called “water pockets,” were previously found in some mixtures of water with ionic liquids containing hydrophilic anions. However, in these systems, at least partial crystallization occurs upon supercooling. In this work, we show for mixtures of 1-butyl-3-methylimidazolium dicyanamide with water that none of the components crystallizes up to a water content of 72 mol. %. The dynamics of the ionic liquid matrix is monitored from above room temperature dow… Show more

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Cited by 3 publications
(12 citation statements)
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“…[ 31 ] A combination of Raman spectroscopy, small‐angle neutron scattering and molecular dynamics simulation helped to establish the existence of nanoscale water clusters in [C 4 C 1 im][DCA], above a certain water content. [ 9 ] In a systematic study, recently, Balevicius et al . have demonstrated the existence of nanoscale water clusters (termed as ‘water pockets’) in an IL matrix using Raman spectroscopy.…”
Section: State Of the Water Molecules In Ils9mentioning
confidence: 99%
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“…[ 31 ] A combination of Raman spectroscopy, small‐angle neutron scattering and molecular dynamics simulation helped to establish the existence of nanoscale water clusters in [C 4 C 1 im][DCA], above a certain water content. [ 9 ] In a systematic study, recently, Balevicius et al . have demonstrated the existence of nanoscale water clusters (termed as ‘water pockets’) in an IL matrix using Raman spectroscopy.…”
Section: State Of the Water Molecules In Ils9mentioning
confidence: 99%
“…have taken the help of several other techniques to prove that at a higher concentration of water, instead of a nanoscale water cluster, a percolating water network spreading across the whole sample exists. [ 9 ] Raman spectroscopic studies of the O‐H band and C‐N (from anion) clearly indicate the existence of a few water molecules interacting with anion below 60 mol. % water, whereas a percolating water network appears at higher water concentrations.…”
Section: State Of the Water Molecules In Ils9mentioning
confidence: 99%
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