Assembly modulates dissociation: electrokinetic experiments reveal peculiarities of the charge formation at monolayer films

Literature Information

Publication Date 2004-11-23
DOI 10.1039/B412613K
Impact Factor 6.222
Authors

Rüdiger Schweiss, Petra Welzel, Wolfgang Knoll, Carsten Werner


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Abstract

Self-assembled monomolecular films of alkanethiols chemisorbed on gold were used as a two-dimensional model system to study the effects of spatial confinement of surface functional groups on their acid–base behaviour; reduction of the surface charge density by mixed assemblies revealed an increase of the acidity of carboxy groups; surfaces with low amounts of charged groups show the interplay of dissociation of functional groups and preferential adsorption of ions in terms of surface charge formation.

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Cover

DOI: 10.1039/C3CP90049E

Back matter

Front/Back Matter

DOI: 10.1039/C3CP90053C

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