Alcohol is an unnecessary additive in the silicon alkoxide sol-gel process

D. Avnir*, V. R. Kaufman

*Corresponding author for this work

Research output: Contribution to journalLetterpeer-review

84 Scopus citations

Abstract

It is unnecessary to add alcohol to a polymerizing silicon tetramethoxide-H2O sol-gel system as a co-solvent. The alcohol released during the reaction is sufficient to convert the initially biphasic system into a homogeneous one, resulting in the usual highly transparent, porous xerogel. We suggest that the alcohol-free sol-gel system may replace in many cases the traditional H2O-alcohol-alkoxide system.

Original languageEnglish
Pages (from-to)180-182
Number of pages3
JournalJournal of Non-Crystalline Solids
Volume92
Issue number1
DOIs
StatePublished - 2 Jun 1987

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