Benzene-centered tripodal diglycolamides: Synthesis, metal ion extraction, luminescence spectroscopy, and DFT studies

Andrea Leoncini, Seraj Ahmad Ansari, Prasanta Kumar Mohapatra*, Anil Boda, Sheikh Musharaf Ali, Arijit Sengupta, Jurriaan Huskens, Willem Verboom

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

32 Citations (Scopus)

Abstract

Three benzene-centered tripodal diglycolamides (Bz-T-DGAs) were synthesized and evaluated for actinide, lanthanide, and fission product ion extraction. 1,3,5-Triethylbenzene-based tripodal DGA (LI) showed high distribution ratio (D) values for Am3+ and Eu3+ in a mixture of 95% n-dodecane and 5% iso-decanol at 3 M HNO3. Eu/Am separation factors, in the range of 8-10, were obtained at 1 M HNO3 which decreased at higher acidities with the exception of LII which did not show much change. Benzene-1,3,5-triamide-based tripodal DGA (LII) exhibited a high D-value for Pu4+ compared to the other ligands. Slope analysis showed the formation of 1:1 or 1:2 complexes is dependent on the ligand. The nature of the complexes was further studied with luminescence spectroscopy (Eu complexes) and DFT calculations (Am complexes).

Original languageEnglish
Pages (from-to)1431-1438
Number of pages8
JournalDalton transactions
Volume46
Issue number5
DOIs
Publication statusPublished - 2017

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