Electrochemical grafting of organic coating onto gold surfaces: Influence of the electrochemical conditions on the grafting of nitrobenzene diazonium salt

This paper aims at studying the influence of the following parameters on the electrodeposition, at both constant potential and potential sweeping, of paranitrobenzene diazonium (PNBD) onto gold electrodes: applied potential, number of cycles or reduction time. Quartz Crystal Microbalance, IR spectro...

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Bibliographic Details
Published in:Progress in organic coatings 2008-07, Vol.63 (1), p.18-24
Main Authors: Haccoun, Julien, Vautrin-Ul, Christine, Chaussé, Annie, Adenier, Alain
Format: Article
Language:English
Subjects:
Atomic Force Microscopy
Diazonium salt
Gold electrode
Paranitrobenzene
Quartz Crystal Microbalance
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Summary:This paper aims at studying the influence of the following parameters on the electrodeposition, at both constant potential and potential sweeping, of paranitrobenzene diazonium (PNBD) onto gold electrodes: applied potential, number of cycles or reduction time. Quartz Crystal Microbalance, IR spectroscopy and Atomic Force Microscopy were used to bring evidence of a multilayer architecture favoured either by lower reduction potentials or higher cycle numbers but also showed a delamination phenomenon due to over-reductive potentials.
ISSN:0300-9440
1873-331X
DOI:10.1016/j.porgcoat.2008.04.001