Thiolate-bound thulium compounds: Synthesis, structure, and NIR emission

Santanu Banerjee, G. Ajith Kumar, Thomas Emge, Richard Riman, John Brennan

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Molecular (DME)2Tm(SC6F5)3 and tetrametallic (DME)4(M2-SPh)8Tm 4(SPh)4 have been isolated in high yield and characterized by conventional methods. The fluorinated thiolate has an eight-coordinate Tm(III) ion bound to three sulfur atoms from the thiolates, four oxygen donors from the THF ligands, and a relatively weak dative Tm - F interaction with a 2.842(3)Å Tm-F separation. The benzenethiolate compound crystallizes as a tetramer with an alternating number (3, 2, 3) of thiolates connecting the nearly linear array of Tm(III) ions. Emission properties of both thiolates and the chalcogen-rich cluster (THF)6Tm4Se9(SC 6F5)2 have been established. The Ph compound is significantly more emissive than either of the fluorinated species.

Original languageEnglish (US)
Pages (from-to)4367-4373
Number of pages7
JournalChemistry of Materials
Volume20
Issue number13
DOIs
StatePublished - Jul 8 2008

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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