Controlled synthesis of nanostructured silica-based materials from designed alkoxysilanes

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Abstract

Recent progress in the synthesis of nanostructured silica-based materials through the self-assembly process using well-designed alkoxysilane precursors is presented. Alkoxysilanes with covalently attached hydrophobic organic tails become amphiphilic when hydrolyzed to form silanol groups, leading to the formation of various mesostructures upon evaporation of solvents. The precursors having large oligosiloxane heads are particularly important because of their ability to form cylindrical assemblies, providing a direct pathway to ordered porous silica by removal of the organic groups. Our recent research includes (i) templated-synthesis of hierarchically ordered structures and (ii) design of molecules having chemically cleavable bonds to generate pores without calcination.

Original languageEnglish
Pages (from-to)307-311
Number of pages5
JournalJournal of Sol-Gel Science and Technology
Volume46
Issue number3
DOIs
Publication statusPublished - 2008 Jun 1

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Keywords

  • Inorganic-organic hybrid
  • Mesoporous materials
  • Nanobuilding block

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Biomaterials
  • Condensed Matter Physics
  • Materials Chemistry

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