Effects of Ultrasound Irradiation on the Synthesis of Metal Oxide Nanostructures

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Title: Effects of Ultrasound Irradiation on the Synthesis of Metal Oxide Nanostructures
Authors: Díez García, María Isabel | Manzi-Orezzoli, Victoria | Jankulovska, Milena | Anandan, Sambandam | Bonete Ferrández, Pedro | Gómez, Roberto | Lana-Villarreal, Teresa
Research Group/s: Grupo de Fotoquímica y Electroquímica de Semiconductores (GFES)
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Electroquímica
Keywords: Ultrasound-assisted synthesis | Metal oxide nanostructures | N-doped TiO2 | NiTiO3 | MnOx
Knowledge Area: Química Física
Issue Date: 2015
Publisher: Elsevier
Citation: Physics Procedia. 2015, 63: 85-90. doi:10.1016/j.phpro.2015.03.014
Abstract: High intensity ultrasound can be used for the production of novel nanomaterials, including metal oxides. According to previous works in this field, the most notable effects are consequence of acoustic cavitation. In this context, we have studied the preparation of different materials in the presence of ultrasound, including N-doped TiO2 nanopowder, NiTiO3 nanorods and MnOx thin films. Ultrasound did not show a significant effect in all the cases. Exclusively for NiTiO3 nanorods a reduction of the final particle size occurs upon ultrasonic irradiation. From these results, it can be concluded that the ultrasound irradiation does not always play a key role during the synthesis of metal oxides. The effects seem to be particularly relevant in those cases where mass transport is highly hindered and in those procedures that require the rupture of nanoparticle aggregates to obtain a homogenous dispersion.
Sponsor: We want to acknowledge the Spanish Ministry of Economy and Competitiveness (MINECO) for financial support through projects PRI-PIBIN-2011-0816 and MAT2012-37676 (FONDOS FEDER). V. Manzi-Orezzoli is grateful to the Universitat d’Alacant for the award of a research initiation grant.
URI: http://hdl.handle.net/10045/46428
ISSN: 1875-3892
DOI: 10.1016/j.phpro.2015.03.014
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2015 Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.phpro.2015.03.014
Appears in Collections:INV - GFES - Artículos de Revistas

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