Understanding the separation of trivalent lanthanides and actinides using multiple diglycolamide-containing ligands: a review

IF 1.4 3区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR
Arunasis Bhattacharyya, Prasanta K. Mohapatra, Willem Verboom
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引用次数: 0

Abstract

The complexation and separation behaviour of trivalent actinides and lanthanides with various multiple diglycolamide (DGA) group-containing ligands are compiled in the present review. The DGA arms are anchored on various scaffolds, viz., C- and N-pivot tripodal backbones, benzene-centred tripodal backbones, calix[4]arene, pillar[5]arene and azamacrocycle scaffolds. Dendrimers of different generations having DGA arms were also evaluated for the extraction and complexation studies of trivalent actinide and lanthanide ions. The extraction efficiency of the DGA units increases significantly when they are grouped together on a single backbone/scaffold. Furthermore, the selectivity was found to improve in many cases, particularly with respect to the UO2 2+ ion. This is very important for the development of suitable ligands for the extraction/separation of the actinide and lanthanide ions. Combined experimental, luminescence and DFT studies on the complexation of trivalent actinides and lanthanides with these DGA-based ligands are quite useful to understand their extraction and separation behaviour and this review article gives a critical analysis of the results available in the literature.
了解使用多种含二乙醇酰胺配体分离三价镧系元素和锕系元素:综述
本综述汇编了三价锕系元素和镧系元素与多种含双乙酰胺(DGA)基团配体的络合和分离行为。DGA 臂锚定在不同的支架上,即 C 轴和 N 轴三足骨架、苯中心三足骨架、钙[4]炔、柱[5]炔和氮杂环支架。此外,还评估了具有 DGA 臂的各代树枝状聚合物对三价锕系元素和镧系元素离子的萃取和络合研究。当 DGA 单元组合在一个骨架/支架上时,其萃取效率显著提高。此外,在许多情况下,选择性也得到了提高,尤其是对 UO2 2+ 离子。这对于开发萃取/分离锕系元素和镧系元素离子的合适配体非常重要。关于三价锕系元素和镧系元素与这些基于 DGA 的配体的络合的综合实验、发光和 DFT 研究对于了解它们的萃取和分离行为非常有用,本综述文章对现有文献中的结果进行了批判性分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Radiochimica Acta
Radiochimica Acta 化学-核科学技术
CiteScore
2.90
自引率
16.70%
发文量
78
审稿时长
6 months
期刊介绍: Radiochimica Acta publishes manuscripts encompassing chemical aspects of nuclear science and technology.
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