Fabrication of a nanoparticle gradient substrate by thermochemical manipulation of an ester functionalized SAM

P Iqbal, K Critchley, J Bowen, D Attwood…

Index: Iqbal, Parvez; Critchley, Kevin; Bowen, James; Attwood, David; Tunnicliffe, David; Evans, Stephen D.; Preece, Jon A. Journal of Materials Chemistry, 2007 , vol. 17, # 48 p. 5097 - 5110

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Citation Number: 20

Abstract

The hydrolysis of methyl ester (–CO2Me) and tert-butyl ester (–CO2tBu) functionalized SAMs as a function of subphase temperature and pH is described. Contact angle measurements show that the methyl ester functionalized monolayer does not hydrolyse in pH 1–13 aqueous solutions heated up to 80° C. In contrast, the–CO2tBu functionalized monolayer hydrolysed below pH 5. The rate and the extent of the hydrolysis were dependent on the ...

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