ISIS Neutron and Muon Source Data Journal

How Do Ion Specific Effects Operate in Ethylammonium Nitrate?

Abstract: In recent work we have found that tetradecylpyridinium bromide (TPBr) and tetradecylpyridinium chloride (TPC) dissolved in the protic ionic liquid (IL) ethylammonium nitrate (EAN) have different critical micelle concentrations (0.130 M versus 0.163 M, respectively) and form different shaped micelles (oblate ellipsoids versus spherical, respectively). As the nitrate concentration is ~ 100x higher, it is remarkable that the surfactant counterion (Cl- or Br-) has any effect on the cmc or micelle shape. This reveals ion specific effects operate ion ILs, even when the added ion concentration is orders of magnitude less than the concentration IL ions. This experiment will examine EAN mixed with the surfactant headgroups tetrametylammonium (TMA+) or methylpyridinium (MP+) in the presence of ethylammonium chloride (EACl) or ethylammonium broimide (EABr).

Principal Investigator: Professor Rob Atkin
Experimenter: Dr Sabrina Gaertner
Experimenter: Dr Josh Marlow
Experimenter: Miss Orla Mulholland-Patterson
Experimenter: Dr Shurui Miao
Local Contact: Dr Oliver Alderman
Experimenter: Professor Greg Warr

DOI: 10.5286/ISIS.E.RB2010024

ISIS Experiment Number: RB2010024

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Rob Atkin et al; (2021): How Do Ion Specific Effects Operate in Ethylammonium Nitrate?, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2010024

Data is released under the CC-BY-4.0 license.