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

Arunasis Bhattacharyya, Avinash S. Kanekar, Prasanta K. Mohapatra*, Andrea Leoncini, Jurriaan Huskens, Willem Verboom*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
39 Downloads (Pure)

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.

Original languageEnglish
Pages (from-to)22044-22048
Number of pages5
JournalNew journal of chemistry
Volume45
Issue number47
Early online date12 Nov 2021
DOIs
Publication statusPublished - 21 Dec 2021

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