AI Article Synopsis
- Understanding the (supra)molecular structure at the interface with amphiphilic ligand molecules is crucial for grasping how ions transfer during solvent extraction.
- There is a lack of experimental data on the distribution of extractant molecules and ions at the liquid-liquid interface, despite some insights gained through molecular dynamics.
- The study highlights the significance of combining X-ray and neutron reflectivity measurements, revealing that hard trivalent cations can either be repelled or attracted at the extractant-enriched interface, depending on the type of ligand used.
Article Abstract
Knowledge of the (supra)molecular structure of an interface that contains amphiphilic ligand molecules is necessary for a full understanding of ion transfer during solvent extraction. Even if molecular dynamics already yield some insight in the molecular configurations in solution, hardly any experimental data giving access to distributions of both extractant molecules and ions at the liquid-liquid interface exist. Here, the combined application of X-ray and neutron reflectivity measurements represents a key milestone in the deduction of the interfacial structure and potential with respect to two different lipophilic ligands. Indeed, we show for the first time that hard trivalent cations can be repelled or attracted by the extractant-enriched interface according to the nature of the ligand.
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| http://dx.doi.org/10.1002/anie.201603395 | DOI Listing |
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