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How Like-Charge Attraction Influences the Mobility of Cations in Hydroxyl-Functionalized Ionic Liquids

Journal of Physical Chemistry Letters, ISSN: 1948-7185, Vol: 14, Issue: 17, Page: 4019-4025
2023
  • 2
    Citations
  • 0
    Usage
  • 7
    Captures
  • 2
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

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  • Citations
    2
  • Captures
    7
  • Mentions
    2
    • News Mentions
      2
      • 2

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Article Description

Attractive interactions between ions of like charge remain an elusive concept. Observing and quantifying this type of interaction in liquids and solutions is still a major challenge. Recently, we have shown that cation-cation interactions are present in hydroxyl-functionalized ionic liquids and that they can be controlled by the shape, charge distribution and functionality of the ions. In the present study, we demonstrate that cationic cluster formation does not only change the local structures of the ionic liquids but also influences the dynamics of the cations in a characteristic way. We show that solid-state H NMR spectroscopy is well suited for the study of molecular motion, even if the hydrogen bonded species of interest are indistinguishable due to fast deuteron exchange. We also provide valuable information about the applicability of well-accepted relaxation models.

Bibliographic Details

Khudozhitkov, Alexander E; Paschek, Dietmar; Stepanov, Alexander G; Kolokolov, Daniil I; Ludwig, Ralf

American Chemical Society (ACS)

Materials Science; Chemistry

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