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dc.contributor.author
Cavallo, Pablo César
dc.contributor.author
Coneo Rodriguez, Rusbel
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Broglia, Martin Federico
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Acevedo, Diego Fernando
dc.contributor.author
Barbero, César Alfredo
dc.date.available
2018-01-17T16:11:30Z
dc.date.issued
2014-01
dc.identifier.citation
Acevedo, Diego Fernando; Cavallo, Pablo César; Broglia, Martin Federico; Barbero, César Alfredo; Coneo Rodriguez, Rusbel; Simple fabrication of active electrodes using direct laser transference; Pergamon-Elsevier Science Ltd.; Electrochimica Acta; 116; 1-2014; 194-202
dc.identifier.issn
0013-4686
dc.identifier.uri
http://hdl.handle.net/11336/33608
dc.description.abstract
Direct laser transference (DLT) method is applied to obtain electrodes modified with thin films of conducting polymers (CPs) or catalytic metals. A short (6–10 ns) pulse of laser light (second harmonic of Nd-YAG Laser, λ = 532 nm) is shined on the backside of a thin (<200 nm) film of the material to be transferred, which is deposited on a transparent substrate. The illuminated region heats up and the material (conducting polymer or metal) is thermally transferred to a solid target placed at short distance in air. In that ways, CPs are transferred onto polypropylene, glass, indium doped tin oxide (ITO), glassy carbon and gold films. In the same manner, electrocatalytic metals (platinum or gold) are transferred onto conductive substrates (glassy carbon or ITO films on glass). The films have been characterized by scanning electron microscopy, cyclic voltammetry, atomic force microscopy, UV-visible and Fourier Transform Infrared spectroscopies. The chemical, electrical and redox properties of the polymeric materials transferred remain unaltered after the transfer. Moreover, CP multilayers can be built applying DLT several times onto the same substrate. Besides polyaniline, it is shown that it is also possible to transfer functionalized polyanilines. The electrode modified with transferred Pt shows electrocatalytic activity toward methanol oxidation while ferricyanide shows a quasireversible behavior on electrodes modified with transferred Au. The method is simple and fast, works in air without complex environmental conditions and can produce active electrodes on different conductive materials. It only requires a pulsed high power Nd-YAG laser, which presently is available at low cost, and thin films on transparent substrata as source. In this way DLT seems to be a general and straightforward method to build technological devices based on CPs and/or electrocatalytic metals including electrodes for direct methanol fuel cells and sensors.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd.
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Modified Electrodes
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Laser Ablation
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Polyaniline
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Noble Metals
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Nanoparticles Desposition
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Otras Ciencias Químicas
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Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Simple fabrication of active electrodes using direct laser transference
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-01-17T15:03:54Z
dc.journal.volume
116
dc.journal.pagination
194-202
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Oxford
dc.description.fil
Fil: Cavallo, Pablo César. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina
dc.description.fil
Fil: Coneo Rodriguez, Rusbel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina
dc.description.fil
Fil: Broglia, Martin Federico. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina
dc.description.fil
Fil: Acevedo, Diego Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina
dc.description.fil
Fil: Barbero, César Alfredo. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina
dc.journal.title
Electrochimica Acta
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.electacta.2013.10.146
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0013468613021166
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