Zinc oxide formation in galvanized metallic wire by simple selective growth method

•It is a simple and cost effective method for the preparation of ZnO.•Magnetic properties were discussed.•Growth mechanism was proposed. ZnO nanostructures were synthesized by a simple method of oxidizing metallic wire by direct electrical heating. A galvanized iron wire was used as the source of zi...

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Bibliographic Details
Published in:Superlattices and microstructures 2015-06, Vol.82, p.327-335
Main Authors: A., Sivanantham, C., Abinaya, V., Vishnukanthan, P., Jayabal, K., Boobalan, S., Mohanraj, Mayandi, J.
Format: Article
Language:English
Subjects:
Ambient conditions
Direct electric heating
Galvanized iron wire
Nanorod
Surface
ZnO nanostructure
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Summary:•It is a simple and cost effective method for the preparation of ZnO.•Magnetic properties were discussed.•Growth mechanism was proposed. ZnO nanostructures were synthesized by a simple method of oxidizing metallic wire by direct electrical heating. A galvanized iron wire was used as the source of zinc. Several optical techniques were employed on the synthesized ZnO nanostructure such as photoluminescence, Raman and FTIR spectroscopy. The formation of ZnO nanostructures was confirmed from the spectra of different optical studies and also determined by XRD. SEM analysis shows the signature of nanorod formation on the surface of the wire. The oxidation state and ferromagnetic property of these oxidized metallic wires were discussed with the help of EPR spectrum. In summation to the properties studied, a growth mechanism was suggested based on the observations and method of the oxidation procedure.
ISSN:0749-6036
1096-3677
DOI:10.1016/j.spmi.2015.01.040