DOI > 10.5291/ILL-DATA.6-03-456

This proposal is publicly available since 09/02/2026

Title

Investigating the Liquid Structure of Ionic Liquids containing Basic Anions used in Gas Capture Applications

Abstract

Ionic Liquids (ILs) have been the subject of extensive investigation into alternative flue gas sorbents as a substitute for toxic and volatile aqueous alkanolamines. This is due to their inherent properties such as a low vapour pressure, high thermal stability, and high gas uptake capacity, which can be modified through altering the cation-anion pairing. The effect of the absorption of a gas on IL structure has received little attention, to date. Dispersions of IL provide a potentially attractive route for applications involving CO2 capture/ reduction. The aim of this study is to determine the structure-property relationship of the ILs and the effect of CO2 uptake as dispersions (initially as 5% v/v in dodecane). Studies will be performed with anions known to chemically absorb CO2, e.g. [124-Triz] and [HexO], in comparison to anions that physically absorb CO2 ([NTf2] and Cl). The absorption of other contaminant gases (SO2 and NOx) will also be investigated.

Experimental Report

Download Data

Please note that you will need to login with your ILL credentials to download the data.

Download Data

Data Citation

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

DOWDING Peter; CATTOZ Beatrice; GREER Adam; HARDACRE Chris; HOLLINGSWORTH Nathan; PORCAR Lionel and WILLIS Colin. (2021). Investigating the Liquid Structure of Ionic Liquids containing Basic Anions used in Gas Capture Applications. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-03-456

Cited by

This data has not been cited by any articles.

Metadata

Experiment Parameters

  • Environment temperature

    298 - 373K
  • Experiment energy

    0.5 to 4 nm

Sample Parameters

  • Formula

    • (C32H68P)(C2H2N3)
    • Dodecane
    • dodecane-d
    • (C32H68P)(Cl)
    • (C32H68P)(C7H13O2)
    • (C16H36P)(C2H2N3)
    • (C16H36P)(C7H13O2)
    • (C32H68P)(C2S2NO4F6)