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Related Experiment Videos

Lanthanide-transition metal chalcogenido cluster materials.

Anna Kornienko1, Louise Huebner, Deborah Freedman

  • 1Department of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854-8087, USA.

Inorganic Chemistry
|December 9, 2003
PubMed
Summary

Researchers synthesized novel ionic cluster materials containing samarium, neodymium, and ytterbium. These compounds highlight challenges in doping lanthanide ions into metal chalcogenide matrices.

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Area of Science:

  • Inorganic Chemistry
  • Materials Science
  • Coordination Chemistry

Background:

  • Lanthanide (Ln) ions are crucial dopants for advanced materials.
  • Covalent metal chalcogenide matrices present challenges for incorporating Ln ions.
  • Understanding the synthesis and properties of Ln-containing clusters is essential.

Purpose of the Study:

  • To synthesize and characterize novel ionic cluster compounds containing lanthanides.
  • To investigate the viability of preparing these clusters with redox-inactive lanthanides.
  • To explore the difficulties in doping lanthanide ions into covalent metal chalcogenide matrices.

Main Methods:

  • Decomposition of a precursor complex [(THF)3Sm(SePh)2Zn(SePh)2]n.
  • Stoichiometric addition of selenium to mixtures of Sm(SePh)3 and Zn(SePh)2.

Related Experiment Videos

  • Synthesis and structural characterization of isostructural neodymium and ytterbium compounds.

    • Main Results:

    • Isolation of the ionic cluster [(THF)8Sm4Se(SePh)8](2+)[Zn8Se(SePh)16](2-) with over 60% yield.
    • Preparation of the isostructural neodymium analog [(THF)8Nd4Se(SePh)8](2+)[Zn8Se(SePh)16](2-).
    • Characterization of the salt [Yb(THF)6](3+)[Fe4Se4(SePh)4](3-).

    Conclusions:

    • Novel ionic cluster materials incorporating lanthanides have been successfully synthesized.
    • The stoichiometric route is viable for preparing these clusters with redox-inactive lanthanides.
    • These findings underscore the inherent difficulties in doping lanthanide ions into covalent metal chalcogenide matrices.