Water consumption during the early stages of the sol-gel tetramethylorthosilicate polymerization as probed by excited state proton transfer

Vered R. Kaufman*, David Avnir, Dina Pines-Rojanski, Dan Huppert

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Proton transfer from the excited state of 8-hydroxy-1,3,6-pyrenetrisulfonic acid trisodium salt to surrounding water molecules is used as a sensitive fluorimetric method for following directly and in detail the kinetics of water consumption during the early stages of teh tetramethylorthosilicate sol-gel polymerization process. Changes in water/silane ratio and in pH were found to affect markedly the kinetic behavior of water consumption.

Original languageEnglish
Pages (from-to)379-386
Number of pages8
JournalJournal of Non-Crystalline Solids
Volume99
Issue number2-3
DOIs
StatePublished - Feb 1988

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