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Electrodeposition in deep eutectic solvents: the “obvious”, the “unexpected” and the “wonders”

par Doneux, Thomas ;Sorgho, Alassane;Soma, Fousseni ;Rayee, Quentin ;Bougouma, Moussa
Référence Molecules, 29, page (3439)
Publication Publié, 2024-07-22

Article révisé par les pairs

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Résumé :

Deep eutectic solvents (DESs) are attracting a considerable attention as non-conventional media for electrodeposition processes. This opinion contribution discusses the debated nature and definition of these solvents as well as some practical considerations of relevance when performing electrodeposition studies in DESs. Using a few illustrative case studies, it is shown that speciation is a key factor determining the electrochemical behaviour of chemical elements in different DESs, and that accounting for the speciation strong similarities can often be found with more conventional or more documented solvents. The need for thermodynamic data is emphasised and it is suggested to expand the composition range of these solvents beyond fixed ratios between the components to exploit the full potentialities of DESs.