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Título : Silver nanoparticles/free-standing carbon nanotube Janus membranes
Autor : Ibáñez, David
Galindo, M.
Colina, Álvaro
Valles, E. .
Heras, Aránzazu
Gomez, E. .
Publicado en: Electrochimica Acta. 2017, V. 243, p. 349-356
Editorial : Elsevier
Fecha de publicación : jul-2017
Fecha de disponibilidad: ago-2020
ISSN : 0013-4686
DOI: 10.1016/j.electacta.2017.04.106
Resumen : Janus materials are attracting intense interest due to their exceptional possibilities in the design of structures with specific properties. In this work, Janus structures were constructed by the functionalization of free-standing single-walled carbon nanotube (FS-SWCNT) membranes with silver nanoparticles (AgNPs) electrodeposited on one face of the free-standing structure. The modification of the FS-SWCNT films with AgNPs was carried out from an ionic liquid solution, a green and environmentally friendly procedure. Before the functionalization of the free-standing membranes, the optimal electrodeposition conditions of AgNPs from an ionic liquid in different carbon substrates were studied. We demonstrate by UV–vis spectroelectrochemistry that the functionalization of the FS-SWCNT membranes on only one face is achieved, remaining unmodified the other face, as SEM images confirm. Moreover, the morphology of AgNPs, and, consequently, the properties of the Janus structures strongly depend on the specific electrodeposition conditions selected, determining their future applicability.
Palabras clave: Janus materials
free-standing electrodes
silver nanoparticles
ionic liquids
spectroelectrochemistry
Materia: Química analítica
Chemistry, Analytic
Licencia: http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/
URI : http://hdl.handle.net/10259/4950
Versión del editor: https://doi.org/10.1016/j.electacta.2017.04.106
Aparece en las colecciones: Artículos GAIN

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