In Situ FTIR-ATR Analysis and Titration of Carboxylic Acid-Terminated SAMs

Olga Gershevitz, Chaim N. Sukenik

Research output: Contribution to journalArticlepeer-review

133 Scopus citations

Abstract

FTIR-ATR measurements permit detailed structural analysis and in situ titration of carboxylate-terminated self-assembled monolayers. Both monomeric and dimeric/oligomeric acid groups are seen, and their acid-base behavior is directly monitored. Monomers that are hydrogen bonded only to surrounding water molecules have a pKa = 4.9, while the pKa for the aggregated molecules is 9.3.

Original languageEnglish
Pages (from-to)482-483
Number of pages2
JournalJournal of the American Chemical Society
Volume126
Issue number2
DOIs
StatePublished - 21 Jan 2004

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