Issue 47, 2021

Understanding the unique paradigm in the extraction of tri- and tetravalent actinide/lanthanide ions by a diglycolamide-functionalized dendrimer in RTIL medium

Abstract

A dendrimer of tris(2-aminoethyl)amine (TREN), containing six diglycolamide (DGA) pendent arms (TREN-G1-DGA), was evaluated for the extraction of different actinides and Eu3+ ions in a methylimidazolium-based room temperature ionic liquid (RTIL; C4mim·NTf2). The results indicated a significant enhancement of the extraction of the trivalent metal ions Am3+ and Eu3+ in the RTIL medium as compared to that in molecular diluents, whereas in the case of the tetravalent actinides Pu4+ and Np4+ the extraction was least affected by the diluent media. This is explained based on a different extraction mechanism for the trivalent and the tetravalent metal ions. The extraction behaviour was well corroborated with the help of a luminescence study.

Graphical abstract: Understanding the unique paradigm in the extraction of tri- and tetravalent actinide/lanthanide ions by a diglycolamide-functionalized dendrimer in RTIL medium

Supplementary files

Article information

Article type
Communication
Submitted
11 Oct 2021
Accepted
11 Nov 2021
First published
12 Nov 2021

New J. Chem., 2021,45, 22044-22048

Understanding the unique paradigm in the extraction of tri- and tetravalent actinide/lanthanide ions by a diglycolamide-functionalized dendrimer in RTIL medium

A. Bhattacharyya, A. S. Kanekar, P. K. Mohapatra, A. Leoncini, J. Huskens and W. Verboom, New J. Chem., 2021, 45, 22044 DOI: 10.1039/D1NJ04814G

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