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Journal of Structural Chemistry

, Volume 59, Issue 3, pp 676–683 | Cite as

Crystal Structures of [Dy(dpm)3]2 and Dy(dpm)3, Luminescent and X-Ray Fluorescent Study of Lanthanide(III) Tris-Dipivaloylmethanates

  • Huang Shen
  • A. S. Berezin
  • O. V. Antonova
  • V. V. Zvereva
  • I. V. Korolkov
  • N. V. Pervukhina
  • S. A. Prokhorova
  • P. A. Stabnikov
Article
  • 7 Downloads

Abstract

Crystal structures of [Dy(dpm)3]2 (1) at 155(2) K (space group P21/n, a = 12.2191(3) Å, b = 27.6044(6) Å, с = 21.8615(5) Å, β = 105.172(1)°, V = 7116.9(3) Å3, Z = 4) and Dy(dpm)3 (2) at 200(2) K (space group Pmn21, a = 17.8741(7) Å, b = 10.5639(4) Å, с = 9.8336(4) Å, V = 1856.78(13) Å3, Z = 2) are determined. The structure of complex 1 is similar to the previously known dimeric packings [Ln(dpm)3]2 (Ln = La, Pr, Nd, Eu, Gd, Tb). Complex 2 is isostructural to the previously studied molecular complexes Er(dpm)3 and Lu(dpm)3. At room temperature the luminescence quantum yield (QY) of Tb(dpm)3 is found to reach 77% and that of Dy(dpm)3 is 5%, while for the other Lu(dpm)3 complexes, where Ln = Pr, Nd, Sm, Eu, Gd, Ho, Er, Tm, Yb, QY is below 1%. A series of [Tb(dpm)3]2 and Dy(dpm)3 solid solutions is obtained by evaporating mixtures from solutions. Molecular films of these complexes on Si, Cu, Ni, Ti, KBr substrates are obtained by vacuum deposition.

Keywords

Ln(III) dipivaloylmethanates crystal structure molecular films luminescence 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Huang Shen
    • 1
  • A. S. Berezin
    • 2
  • O. V. Antonova
    • 2
  • V. V. Zvereva
    • 2
  • I. V. Korolkov
    • 1
    • 2
  • N. V. Pervukhina
    • 1
    • 2
  • S. A. Prokhorova
    • 2
  • P. A. Stabnikov
    • 2
  1. 1.Novosibirsk State UniversityNovosibirskRussia
  2. 2.Nikolaev Institute of Inorganic Chemistry, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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