Synthesis of Alumina and Silica-Containing Alumina Xerogel Hosts

L. Laby, L. C. Klein, A. Turniansky, D. Avnir

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Using the sol-gel process, we prepared two types of xerogels. Thin, transparent, crack-free alumina disks were prepared from aluminum tri-secondary butoxide (ASB). Addition of partially hydrolyzed tetraethylorthosilicate (TEOS) to such alumina sols produced translucent, warped silica-containing alumina xerogels. While the pure alumina xerogels were water soluble, addition of silica improved their durability. To understand the change in water solubility, we investigated the chemical and structural changes that occurred when silica was added. Characterization was performed using X-ray diffraction analysis, thermal analysis, nitrogen sorption analysis and 27Al NMR spectroscopy.

Original languageEnglish (US)
Pages (from-to)177-184
Number of pages8
JournalJournal of Sol-gel Science and Technology
Issue number2
StatePublished - 1997

All Science Journal Classification (ASJC) codes

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


  • Aluminosilicate gels
  • Room-temperature xerogels
  • Water solubility of xerogels
  • Xerogel transparency


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