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Updated: Mar 17, 2026
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Antifouling Self-assembled Monolayers on Microelectrodes for Patterning Biomolecules
Published on: August 25, 2009
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Surface patterning of polyacrylamide gel using scanning electrochemical cell microscopy (SECCM)
Elizabeth E Oseland1, Zoë J Ayres1, Andrew Basile2
1Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK. p.wilson.1@warwick.ac.uk p.r.unwin@warwick.ac.uk.
Chemical Communications (Cambridge, England)
|July 20, 2016
Summary
Scanning electrochemical cell microscopy enables polymer synthesis and deposition on gold surfaces. Electrochemical catalyst generation enhances poly(N-hydroxyethyl acrylamide) deposition, likely via reactive oxygen species.
Area of Science:
- Electrochemistry
- Polymer Science
- Surface Science
Background:
- Self-assembled monolayers (SAMs) on gold surfaces are crucial for tailored surface properties.
- Controlled polymer deposition is essential for advanced material applications.
- Electrochemical methods offer precise control over chemical reactions.
Purpose of the Study:
- To introduce scanning electrochemical cell microscopy (SECM) as a novel tool for polymer synthesis and deposition.
- To investigate the electrochemical enhancement of polymer deposition on SAM-functionalised gold surfaces.
- To elucidate the mechanism of catalyst activation and polymerisation initiation.
Main Methods:
- Utilized scanning electrochemical cell microscopy (SECM) for localized polymer synthesis.
- Employed SAM-functionalised gold surfaces as substrates.
- Investigated the electrochemical generation of Cu(i)Cl/Me6TREN catalyst.
- Analyzed polymer deposition and initiation mechanisms.
Main Results:
- Demonstrated SECM's capability for polymer synthesis and deposition on SAM-functionalised gold.
- Showed enhanced deposition of poly(N-hydroxyethyl acrylamide) using electrochemically generated catalyst.
- Identified in situ generation of reactive oxygen species from oxygen reduction as the likely initiation pathway.
Conclusions:
- SECM is a viable technique for site-specific polymer deposition.
- Electrochemical catalyst generation significantly improves polymer deposition efficiency.
- The polymerisation initiation mechanism involves reactive oxygen species generated electrochemically.
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