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Article

A Simple Ball Milling and Thermal Oxidation Method for Synthesis of ZnO Nanowires Decorated with Cubic ZnO2 Nanoparticles

1
Sustainability Department, ENEA, C.R. Casaccia, Santa Maria di Galeria, 00123 Rome, Italy
2
Institute for Photonics and Nanotechnologies-CNR, via Cineto Romano 42, 00156 Rome, Italy
3
Department of Electrical Engineering, University of Rome La Sapienza, 00184 Rome, Italy
4
Dipartimento di Chimica e Farmacia, Università Degli Studi di Sassari, via Vienna 2, 07100 Sassari, Italy
5
International Research Centre in Critical Raw Materials-ICCRAM, University of Burgos, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Roman Viter
Nanomaterials 2021, 11(2), 475; https://doi.org/10.3390/nano11020475
Received: 14 November 2020 / Revised: 30 January 2021 / Accepted: 5 February 2021 / Published: 13 February 2021
In this work, we propose the synthesis of ZnO nanostructures through the thermal oxidation of ball-milled powders with the introduction of Mg and Sn doping species at the preliminary step of milling. We investigate the advantages and challenges of this two steps process for the production and fabrication of highly crystalline ZnO nanowires. This simple method allows us to fabricate ZnO nanowires with a higher quality core crystal at a much lower temperature and for a shorter processing time than the state-of-the-art, and decorated with by ZnO2 nanoparticles as determined via TEM analysis. The main findings will show that the crystalline core of the nanowires is of hexagonal ZnO while the nanoparticles on the surface are ZnO2 cubic type. Generally, the method proves to be suitable for applications that require a high surface-to-volume ratio, for example, catalysis phenomena, in which the presence of zinc oxides species can play an important role. View Full-Text
Keywords: ZnO nanowires; Zn powders; ball milling; thermal oxidation; core-shell nanowires ZnO nanowires; Zn powders; ball milling; thermal oxidation; core-shell nanowires
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MDPI and ACS Style

Rinaldi, A.; Pea, M.; Notargiacomo, A.; Ferrone, E.; Garroni, S.; Pilloni, L.; Araneo, R. A Simple Ball Milling and Thermal Oxidation Method for Synthesis of ZnO Nanowires Decorated with Cubic ZnO2 Nanoparticles. Nanomaterials 2021, 11, 475. https://doi.org/10.3390/nano11020475

AMA Style

Rinaldi A, Pea M, Notargiacomo A, Ferrone E, Garroni S, Pilloni L, Araneo R. A Simple Ball Milling and Thermal Oxidation Method for Synthesis of ZnO Nanowires Decorated with Cubic ZnO2 Nanoparticles. Nanomaterials. 2021; 11(2):475. https://doi.org/10.3390/nano11020475

Chicago/Turabian Style

Rinaldi, Antonio, Marialilia Pea, Andrea Notargiacomo, Eloisa Ferrone, Sebastiano Garroni, Luciano Pilloni, and Rodolfo Araneo. 2021. "A Simple Ball Milling and Thermal Oxidation Method for Synthesis of ZnO Nanowires Decorated with Cubic ZnO2 Nanoparticles" Nanomaterials 11, no. 2: 475. https://doi.org/10.3390/nano11020475

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