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A systematic study of the formation of mesostructured silica using surfactant ruthenium complexes in high- and low-concentration regimes

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Published copy (DOI)

Author(s)

  • Katherine E. Amos
  • Nicholas J. Brooks
  • Nicola C. King
  • Songhai Xie
  • Jesus Canales-Vazquez
  • Mark J. Danks
  • Helen B. Jervis
  • Wuzong Zhou
  • John M. Seddon
  • Duncan W. Bruce

Department/unit(s)

Publication details

JournalJournal of Materials Chemistry
DatePublished - 2008
Issue number43
Volume18
Number of pages11
Pages (from-to)5282-5292
Original languageEnglish

Abstract

Mesostructured silica can be prepared by surfactant templating either under conditions of low surfactant template concentration (so-called liquid crystal templating) or from a pre-formed mesophase at higher surfactant concentrations (true liquid crystal templating). In this study, the structural properties of such silica products prepared using a surfactant bipyridine complex of Ru(II) are compared with similar products templated with a conventional cationic surfactant, CTAB (cetyltrimethylammonium bromide). Templating with this ruthenium metallosurfactant leads to well-ordered mesoporous silica with catalytically active RuO2 nanoparticles distributed uniformly within the silica pores.

    Research areas

  • MESOPOROUS MOLECULAR-SIEVES, LIQUID-CRYSTALLINE, HETEROGENEOUS CATALYSTS, X-RAY, METALLOSURFACTANTS, EXTRACTION, MESOPHASES, STABILITY, METAL

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