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

Olga Gershevitz; Chaim N. Sukenik

doi:10.1021/ja037610u

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

Olga Gershevitz, Chaim N. Sukenik

Department of Chemistry

Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

136 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 pK_a = 4.9, while the pK_a for the aggregated molecules is 9.3.

Original language	English
Pages (from-to)	482-483
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	126
Issue number	2
DOIs	https://doi.org/10.1021/ja037610u
State	Published - 21 Jan 2004

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

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