Fabrication and deposition of copper and copper oxide nanoparticles by laser ablation in open air
Autor/a
Fernández Arias, Mónica
Boutinguiza Larosi, Mohamed
Del Val García, Jesús
Riveiro, Antonio
Rodríguez, Daniel
Arias-González, Felipe
Gil Mur, Francisco Javier
Pou, Juan
Data de publicació
2020-02-10ISSN
2079-4991
Resum
The proximity of the “post-antibiotic era”, where infections and minor injuries could be a cause of death, there are urges to seek an alternative for the cure of infectious diseases. Copper nanoparticles and their huge potential as a bactericidal agent could be a solution. In this work, Cu and Cu oxide nanoparticles were synthesized by laser ablation in open air and in argon atmosphere using 532 and 1064 nm radiation generated by nanosecond and picosecond Nd:YVO4 lasers, respectively, to be directly deposited onto Ti substrates. Size, morphology, composition and the crystalline structure of the produced nanoparticles have been studied by the means of field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM), the energy dispersive spectroscopy of X-rays (EDS), selected area electron diffraction (SAED) and X-ray diffraction (XRD). The UV-VIS absorbance of the thin layer of nanoparticles was also measured, and the antibacterial capacity of the obtained deposits tested against Staphylococcus aureus. The obtained deposits consisted of porous coatings composed of copper and copper oxide nanoparticles interconnected to form chain-like aggregates. The use of the argon atmosphere contributed to reduce significantly the formation of Cu oxide species. The synthesized and deposited nanoparticles exhibited an inhibitory effect upon S. aureus.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
616.3 - Patologia de l'aparell digestiu. Odontologia
Paraules clau
Coure
Ablació amb làser
Materials
Copper
Laser ablation
Materials
Cobre
Láseres
Materiales
Pàgines
16
Publicat per
MDPI
Col·lecció
10; 2
Publicat a
Nanomaterials
Citació
Fernández-Arias, Mónica; Boutinguiza, Mohamed; Del Val, Jesús [et al.]. Fabrication and deposition of copper and copper oxide nanoparticles by laser ablation in open air. Nanomaterials, 2020, vol. 10, núm. 2, e300. Disponible en: <https://www.mdpi.com/2079-4991/10/2/300>. Fecha de acceso: 8 mar. 2020. DOI: 10.3390/nano10020300
Número de l'acord de la subvenció
info:eu-repo/grantAgreement/MICINN/RTI2018-095490-J-I00
Aquest element apareix en la col·lecció o col·leccions següent(s)
- Odontologia [245]
Drets
© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Excepte que s'indiqui una altra cosa, la llicència de l'ítem es descriu com http://creativecommons.org/licenses/by/4.0/