From a planar electrode to a random assembly of microelectrodes: A new approach based on the electrochemical reduction of 5-bromo-1, 10-phenanthroline at gold electrodes
dc.contributor.author | Valencia, Drochss P. | |
dc.contributor.author | R. de Souza, , Ana P. | |
dc.contributor.author | Gonçales, , Vinicius R. | |
dc.contributor.author | S. Antonio, Jadielson L. | |
dc.contributor.author | Cordoba de Torresi, Susana I. | |
dc.contributor.author | Bertotti, Mauro | |
dc.date.accessioned | 2019-08-12T02:37:49Z | |
dc.date.available | 2019-08-12T02:37:49Z | |
dc.date.issued | 2014 | |
dc.description.abstract | A random assembly of microelectrodes (RAMs) was fabricated by electrochemical reduction of 5-bromo-1,10-phenathroline in N,N-dimethylformamide (DMF), generating the 1,10-phenanthroline radical, which was covalently grafted on gold electrodes. After several potential cycles, the gold surface was partially blocked with an insulating film of 1,10-phenanthroline and the resulting modified electrode exhibited the characteristics of a RAMs for the electrochemical reduction of the reversible probe 1,4-benzoquinone in DMF. Scanning electron microscopy and atomic force microscopy were used to examine the morphology of the electrodeposited film and to characterize the existence of micro-regions of gold not coated by the 1,10-phenanthroline film. | es |
dc.identifier.issn | 1388-2481 | |
dc.identifier.uri | https://repositorio.usc.edu.co/handle/20.500.12421/563 | |
dc.language.iso | en | es |
dc.publisher | Electrochemistry Communications | es |
dc.title | From a planar electrode to a random assembly of microelectrodes: A new approach based on the electrochemical reduction of 5-bromo-1, 10-phenanthroline at gold electrodes | es |
dc.type | Article | es |
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