Artículo
Permalloy nanowires/graphene oxide composite with enhanced conductive properties
Arciniegas Jaimes, Diana Marcela
; Márquez, Paulina; Ovalle, Alexandra; Escrig Murúa, Juan Eduardo; Linarez Pérez, Omar Ezequiel
; Bajales Luna, Noelia
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Fecha de publicación:
12/2020
Editorial:
Nature Research
Revista:
Scientific Reports
e-ISSN:
2045-2322
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Carbon–metal-based composites arise as advanced materials in the frontiers with nanotechnology, since the properties inherent to each component are multiplexed into a new material with potential applications. In this work, a novel composite consisting of randomly oriented permalloy nanowires (Py NWs) intercalated among the sheets of multi-layered graphene oxide (GO) was performed. Py NWs were synthesized by electrodeposition inside mesoporous alumina templates, while GO sheets were separated by means of sonication. Sequential deposition steps of Py NWs and GO flakes allowed to reach a reproducible and stable graphene oxide-based magnetic assembly. Microscopic and spectroscopic results indicate that Py NWs are anchored on the surface as well as around the edges of the multi-layered GO, promoted by the presence of chemical groups, while magnetic characterization affords additional support to our hypothesis regarding the parallel orientation of the Py NWs with respect to the GO film, and also hints the parallel stacking of GO sheets with respect to the substrate. The most striking result remains on the electrochemical performance achieved by the composite that evidences an enhanced conductive behaviour compared to a standard electrode. Such effect provides an approach to the development of permalloy nanowires/graphene oxide-based electrodes as attractive candidates for molecular sensing devices.
Palabras clave:
NANOWIRES
,
PERMALLOY
,
GRAPHENE OXIDE
,
COMPOSITE
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Identificadores
Colecciones
Articulos(INFIQC)
Articulos de INST.DE INVESTIGACIONES EN FISICO- QUIMICA DE CORDOBA
Articulos de INST.DE INVESTIGACIONES EN FISICO- QUIMICA DE CORDOBA
Citación
Arciniegas Jaimes, Diana Marcela; Márquez, Paulina; Ovalle, Alexandra; Escrig Murúa, Juan Eduardo; Linarez Pérez, Omar Ezequiel; et al.; Permalloy nanowires/graphene oxide composite with enhanced conductive properties; Nature Research; Scientific Reports; 10; 1; 12-2020; 1-13
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