In situ decoration of graphene sheets with gold nanoparticles synthetized by pulsed laser ablation in liquids
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Otros documentos de la autoría: Torres-Mendieta, Rafael; Ventura Espinosa, David; Sabater López, Sara; Lancis, Jesús; Mínguez-Vega, Gladys; Mata Martínez, Jose A
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In situ decoration of graphene sheets with gold nanoparticles synthetized by pulsed laser ablation in liquidsAutoría
Fecha de publicación
2016-07Cita bibliográfica
TORRES-MENDIETA, Rafael, et al. In situ decoration of graphene sheets with gold nanoparticles synthetized by pulsed laser ablation in liquids. Scientific Reports, 2016, vol. 6.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.nature.com/articles/srep30478Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
The demand for nanocomposites of graphene and carbonaceous materials decorated with metallic nanoparticles is increasing on account of their applications in science and technology. Traditionally, the production of ... [+]
The demand for nanocomposites of graphene and carbonaceous materials decorated with metallic nanoparticles is increasing on account of their applications in science and technology. Traditionally, the production of graphene-metal assemblies is achieved by the non-environmentally friendly reduction of metallic salts in carbonaceous suspensions. However, precursor residues during nanoparticle growth may reduce their surface activity and promote cross-chemical undesired effects. In this work we present a laser-based alternative to synthesize ligand-free gold nanoparticles that are anchored onto the graphene surface in a single reaction step. Laser radiation is used to generate highly pure nanoparticles from a gold disk surrounded by a graphene oxide suspension. The produced gold nanoparticles are directly immobilized onto the graphene surface. Moreover, the presence of graphene oxide influences the size of the nanoparticles and its interaction with the laser, causes only a slight reduction of the material. This work constitutes a green alternative synthesis of graphene-metal assemblies and a practical methodology that may inspire future developments. [-]
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Scientific Reports Volume 6, July 2016, Article number 30478Derechos de acceso
© 2016 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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