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Artículo

Performance of cuprous oxide mesoparticles with different morphologies as catalysts in a carbon nanotube ink for printing electrochemical sensors

Veiga, Lionel S.; Garate, Octavio; Tancredi, PabloIcon ; Monsalve, Leandro NicolasIcon ; Ybarra, Gabriel
Fecha de publicación: 12/2020
Editorial: Elsevier Science SA
Revista: Journal of Alloys and Compounds
ISSN: 0925-8388
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Nano-materiales

Resumen

A simplified, surfactant-free method is presented for the synthesis of cuprous oxide mesoparticles involving the use of only three reactants at room temperature. Different morphologies, such as cubes, cuboctahedra, truncated octahedra, octahedra, hexapods, and porous spheres could be obtained using different concentrations of reactants. The roles played by each reactant in the synthesis are critically discussed. The mesoparticles were used in the formulation of carbon nanotube-based waterborne inks to prepare coated electrodes. The electrocatalytic activity of the different cuprous oxide mesoparticles used in the inks towards hydrogen peroxide reduction was measured and compared. Cuprous oxide hexapods yielded the highest sensitivity whereas porous spheres were superior in terms of stability. The combination of carbon nanotubes and cuprous oxide mesoparticles in waterborne ink allows printing of electrodes combining electrical conduction and electrocatalysis in a single layer printed onto flexible substrates.
Palabras clave: CARBON NANOTUBES INK , COPPER OXIDE PARTICLES , ELECTROCATALYSIS
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/137367
URL: https://www.sciencedirect.com/science/article/abs/pii/S0925838820328139
DOI: http://dx.doi.org/10.1016/j.jallcom.2020.156449
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Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Citación
Veiga, Lionel S.; Garate, Octavio; Tancredi, Pablo; Monsalve, Leandro Nicolas; Ybarra, Gabriel; Performance of cuprous oxide mesoparticles with different morphologies as catalysts in a carbon nanotube ink for printing electrochemical sensors; Elsevier Science SA; Journal of Alloys and Compounds; 847; 156449; 12-2020; 1-24
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