Nano-Electrochemistry and Nano-Electrografting with an Original Combined AFM-SECM
by
Achraf Ghorbal 1,*, Federico Grisotto 2, Julienne Charlier 2, Serge Palacin 2, Cédric Goyer 3, Christophe Demaille 4 and Ammar Ben Brahim 1
Achraf Ghorbal 1,*, Federico Grisotto 2, Julienne Charlier 2, Serge Palacin 2, Cédric Goyer 3, Christophe Demaille 4 and Ammar Ben Brahim 1
1
Applied Thermodynamics Research Unit, National Engineering School of Gabès, Gabès University, Rue Omar Ibn-Elkhattab, 6029 Gabes, Tunisia
2
Laboratory of Chemistry of Surfaces and Interfaces, DSM/IRAMIS/SPCSI, Atomic Energy Commission of Saclay, 91191 Gif-sur-Yvette, France
3
Department of Molecular Chemistry, Joseph Fourier University, Grenoble Cedex 09, France
4
Laboratory of Molecular Electrochemistry, Paris VII University, 2 Place Jussieu, Paris Cedex 05, France
*
Author to whom correspondence should be addressed.
Nanomaterials 2013, 3(2), 303-316; https://doi.org/10.3390/nano3020303
Received: 4 April 2013 / Revised: 25 April 2013 / Accepted: 8 May 2013 / Published: 17 May 2013
(This article belongs to the Special Issue New Developments in Nanomaterial Analysis)
This study demonstrates the advantages of the combination between atomic force microscopy and scanning electrochemical microscopy. The combined technique can perform nano-electrochemical measurements onto agarose surface and nano-electrografting of non-conducting polymers onto conducting surfaces. This work was achieved by manufacturing an original Atomic Force Microscopy-Scanning ElectroChemical Microscopy (AFM-SECM) electrode. The capabilities of the AFM-SECM-electrode were tested with the nano-electrografting of vinylic monomers initiated by aryl diazonium salts. Nano-electrochemical and technical processes were thoroughly described, so as to allow experiments reproducing. A plausible explanation of chemical and electrochemical mechanisms, leading to the nano-grafting process, was reported. This combined technique represents the first step towards improved nano-processes for the nano-electrografting.
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Keywords:
AFM; SECM; nano-electrochemistry; nano-electrografting; AFM-SECM; surface; interface; nano-functionalization; nano-process
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MDPI and ACS Style
Ghorbal, A.; Grisotto, F.; Charlier, J.; Palacin, S.; Goyer, C.; Demaille, C.; Brahim, A.B. Nano-Electrochemistry and Nano-Electrografting with an Original Combined AFM-SECM. Nanomaterials 2013, 3, 303-316.
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