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The adhesive properties of pyridine-terminated self-assembled monolayers

Bowen, James; Manickam, Mayandithevar; Iqbal, Parvez; Evans, Stephen D.; Critchley, Kevin; Preece, Jon A. and Kendall, Kevin (2009). The adhesive properties of pyridine-terminated self-assembled monolayers. Thin Solid Films, 517(13) pp. 3806–3812.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1016/j.tsf.2009.01.093
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Abstract

The atomic force microscopy (AFM) adhesion force behaviour and contact angle titration behaviour of self-assembled monolayers (SAMs) presenting surface pyridine and substituted pyridine moieties has been investigated as a function of pH and electrolyte concentration. The pKas of the pyridine moieties were modified through the incorporation of fluorine, chlorine and bromine substituents in the pyridyl ring. Contact angle titration and AFM adhesion force measurements were performed using aqueous phosphate buffered saline solutions over the pH range 3–9, and at concentrations of 150 mM and 0.1 mM. AFM adhesion force measurements were performed using a clean Si3N4 pyramidal-tipped AFM cantilever.

Item Type: Journal Item
Copyright Holders: 2009 Elsevier B.V
ISSN: 0040-6090
Keywords: self-assembled monolayer; adhesion; surface chemistry; pyridine; gold; atomic force microscopy
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
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Item ID: 43196
Depositing User: James Bowen
Date Deposited: 10 Jun 2015 14:24
Last Modified: 17 Nov 2016 18:50
URI: http://oro.open.ac.uk/id/eprint/43196
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