Surface science of soft scorpionates

Dawn Wallace, Edward John Quinn, David Armstrong, J. Reglinski, M.D. Spicer, W.E. Smith

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)
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Abstract

The chemisorption of the soft scorpionate Li[PhTmMe] onto silver and gold surfaces is reported. Surface enhanced Raman spectroscopy in combination with the Raman analysis of suitable structural models, namely, [Cu(κ3-S,S,S-PhTmMe)(PCy3)], [Ag(κ3-S,S,S-PhTmMe)(PCy3)], [Ag(κ2-S,S-PhTmMe)(PEt3)], and [Au(κ1-S-PhTmMe)(PCy3)], are employed to identify the manner in which this potentially tridentate ligand binds to these surfaces. On colloidal silver surface-enhanced Raman spectroscopy (SERS) spectra are consistent with PhTmMe binding in a didentate fashion to the surface, holding the aryl group in close proximity to the surface. In contrast, on gold colloid, we observe that the species prefers a monodentate coordination in which the aryl group is not in close proximity to the surface.
Original languageEnglish
Pages (from-to)1420-1427
Number of pages8
JournalInorganic Chemistry
Volume49
Issue number4
Early online date7 Jan 2010
DOIs
Publication statusPublished - 15 Feb 2010

Keywords

  • scorpionates
  • inorganic chemistry
  • chemisorption
  • spectroscopy

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