Synthesis and characterization of new heterodinuclear (Eu, Tb) lanthanide pivalates

Irina G. Fomina, Zhanna V. Dobrokhotova, Grygory G. Aleksandrov, Valery I. Zhilov, Irina P. Malkerova, Andrei S. Alikhanyan, Denis M. Zhigunov, Artem S. Bogomyakov, Vasilisa I. Gerasimova, Vladimir M. Novotortsev, Igor L. Eremenko

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

New heterodinuclear pivalates (HPiv)6EuTb(Piv)6 (5) and (Phen)2EuTb(Piv)6 (6), where Piv = (CH 3)3CCO2-, the 2,2-dimethylpropanoate anion, and Phen = 1,10-phenanthroline, were synthesized. The structures and compositions of the heterodinuclear molecules were determined by X-ray diffraction and based on magnetic measurements, inductively coupled plasma atomic emission spectrometry (ICP-AES) and the results of the research on the thermal decomposition and vaporization of the complexes. Under UV excitation, complex 6 exhibits luminescence and complete intramolecular excitation energy transfer to the Eu3+ ions involving singlet levels of the Phen ligand and f-f levels of the Tb3+ ions.

Original languageEnglish
Pages (from-to)297-305
Number of pages9
JournalPolyhedron
Volume50
Issue number1
DOIs
Publication statusPublished - 13 Feb 2013
Externally publishedYes

Keywords

  • Heterodinuclear lanthanide pivalates
  • Magnetic and luminescence properties
  • Synthesis
  • Thermal behavior
  • X-ray diffraction study

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