Issue 64, 2023

Selective heterogeneous capture and release of actinides using carborane-functionalized electrodes

Abstract

We report the heterogenization of molecular, electrochemically switchable ortho-substituted carboranes (POCb, POCb-Pyr) for selective metal capture. Films of POCb and POCb-Pyr on glassy carbon and carbon fiber (CF) electrodes demonstrated heterogeneous electrochemical behaviour that was enhanced by the inclusion of single-walled carbon nanotubes (CNTs). Galvanostatically charged CF|CNT|POCb and CF|CNT|POCb-Pyr electrodes selectively captured and released actinides (Th4+, UO22+) from mixed solutions containing alkali (Cs+), lanthanide (Nd3+, Sm3+) and actinide (Th4+, UO22+) metal ions.

Graphical abstract: Selective heterogeneous capture and release of actinides using carborane-functionalized electrodes

Supplementary files

Article information

Article type
Communication
Submitted
02 May 2023
Accepted
10 Jul 2023
First published
20 Jul 2023

Chem. Commun., 2023,59, 9710-9713

Author version available

Selective heterogeneous capture and release of actinides using carborane-functionalized electrodes

M. Mattejat and G. Ménard, Chem. Commun., 2023, 59, 9710 DOI: 10.1039/D3CC02135A

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