Structural Characterization of Self-Assembled Monolayers of Organosilanes Chemically Bonded on Silica Wafers by Dynamical Force Microscopy

In this article, a dynamical force microscopy study of self-assembled monolayers of organosilanes, grafted on a silica support, is reported. Organosilanes, terminated either with a functional group (ethylene glycol) or with a methyl group, were used. The influence of the reaction time and the solven...

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Bibliographic Details
Published inarXiv.org
Main Authors Navarre, Sébastien, Choplin, Franck, Bousbaa, J, Bennetau, Bernard, Nony, Laurent, Jean-Pierre Aimé
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 11.10.2005
Subjects
Chemical bonds
Computer simulation
Ethylene glycol
Functional groups
Gold
Grafting
Mechanical analysis
Microscopy
Monolayers
Organic chemistry
Reaction time
Self-assembled monolayers
Self-assembly
Silicon dioxide
Structural analysis
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Summary:In this article, a dynamical force microscopy study of self-assembled monolayers of organosilanes, grafted on a silica support, is reported. Organosilanes, terminated either with a functional group (ethylene glycol) or with a methyl group, were used. The influence of the reaction time and the solvent composition on the grafting was investigated to improve the homogeneity of the self-assembled monolayers. Numerical simulations of approach-retract curves, obtained in the tapping mode, were performed and compared to experimental ones. Informations, such as mechanical response and height of the grafted organic layers, have been obtained.
ISSN:2331-8422