ISIS Neutron and Muon Source Data Journal

Adsorption of an Anionic Surfactant on Anionic Surfaces in the Presence of Caesium Ions

Abstract: In this proposal we request beamtime on the Inter reflectometer to study the unexpected adsorption behaviour of the surfactant bis(2-ethylhexyl) sulfosuccinate caesium salt (Cs(AOT)) on both silica and mica surfaces as a function of temperature. This builds on previous ISIS work where the nature of the cation was found to have a big effect on the surprising adsorption of organic anions to an anionic surface. In particular, extending the work where we have observed a big difference in adsorption of the sodium and calcium AOT salts (on both mica and silicon substrates). In this work we directly challenge the ‘divalent ion bridging’ mechanism for this anion on anion adsorption by adsorption with a monovalent cation.

Principal Investigator: Professor Stuart Clarke
Experimenter: Mr Yunpeng Wang
Local Contact: Dr Rebecca Welbourn
Experimenter: Mr Fin Allen
Experimenter: Dr Seung Yeon Lee
Experimenter: Dr Zhongqiang Yang
Experimenter: Miss Lucy Griffin
Experimenter: Dr Chris Truscott
Experimenter: Dr Mary Wood

DOI: 10.5286/ISIS.E.RB1610060

ISIS Experiment Number: RB1610060

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 Stuart Clarke et al; (2016): Adsorption of an Anionic Surfactant on Anionic Surfaces in the Presence of Caesium Ions, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1610060

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