Structurally Characterized Mesostructured Hybrid Surfactant-Inorganic Lamellar Phases Containing the Adamantane [Ge4S10]4- Anion: Synthesis and Properties

François Bonhomme, Mercouri G. Kanatzidis

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

The reaction of aqueous solutions of Na4Ge4S10 with various surfactant alkyltrimethyl-ammonium bromide salts yielded new surfactant-inorganic phases containing the adamantane thiogermanate anion [Ge4S10]4-. The resulting [CnH2n+1N(CH3)3]4Ge 4S10 phases with n = 12, 14, 16, and 18 crystallize in the triclinic space group P-1 and contain parallel inorganic planes of unconnected [Ge4S10]4- clusters, separated at mesoscopic scale lengths by organic bilayers of interdigitated cationic surfactant chains. These air-stable compounds were characterized by thermal analyses, Raman, far-IR, and solid-state UV-vis reflectance spectroscopy. Their ability to absorb reversibly various alcohols was studied by in-situ X-ray powder diffraction.

Original languageEnglish
Pages (from-to)1153-1159
Number of pages7
JournalChemistry of Materials
Volume10
Issue number4
Publication statusPublished - Apr 1 1998

ASJC Scopus subject areas

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

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