DOI > 10.5291/ILL-DATA.6-07-30

This proposal is publicly available since 05/25/2023

Title

Ionic liquids under 1D nanometric confinement in CNT membranes: gigantic transport properties?

Abstract

Under confinement inside 1.4 nm Carbon NanoTubes (CNT), water adopts a very specific geometry characterized by a linear configuration of a fraction of the molecules. This peculiar local structure induces unexpected dynamical effects at the macroscopic scale: when forced inside a CNT membrane, water is experimentally found to flow-up three orders of magnitude faster than predicted by the continuum hydrodynamics picture: this is water superlubricity. We have recently extended the results observed on water to the case of neat Ionic Liquids (IL) under CNT confinement. While no dynamical change was detected at the molecular scale (QENS), we have shown a 3 fold enhancement of the IL transport properties at the microscopic scale (PFG). Addition of lithium to the IL has a major influence on the structuration of the IL and should significantly change the local behavior. We propose to probe the CNT confined IL+Li+ local dynamics.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

ZANOTTI Jean-Marc; BERROD Quentin; DIJON Jean; FERDEGHINI Filippo; FOUQUET Peter; Bernhard Frick and JUDEINSTEIN Patrick. (2018). Ionic liquids under 1D nanometric confinement in CNT membranes: gigantic transport properties?. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-07-30

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Metadata

Experiment Parameters

Sample Parameters

  • Formula

    • Ionic liquid
    • carbon nanotube
    • Deuterated polystyrene