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Issue 30, 2014
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Cu2O polyhedral nanowires produced by microwave irradiation

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The present work reports the oxidation of copper nanowires via microwave irradiation under wet conditions. Structural characterization of the nanowires has been carried out by X-ray diffraction, transmission electron microscopy and scanning electron microscopy coupled with focused ion beam, electron backscatter diffraction and energy dispersive X-ray spectroscopy. The copper nanowires were essentially monocrystalline with 〈110〉 axes, albeit growth twins have also been observed. Oxidation of the metal nanowires resulted in the growth of polyhedral Cu2O crystals arranged in twinned configurations around the nanowire axis. The crystallographic orientation of the twin variants is compatible with a cube-on-cube orientation relation originating from the epitaxial growth of Cu2O from pure Cu.

Graphical abstract: Cu2O polyhedral nanowires produced by microwave irradiation

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Article information

15 Apr 2014
23 May 2014
First published
28 May 2014

J. Mater. Chem. C, 2014,2, 6097-6103
Article type

Cu2O polyhedral nanowires produced by microwave irradiation

D. Nunes, A. Pimentel, P. Barquinha, P. A. Carvalho, E. Fortunato and R. Martins, J. Mater. Chem. C, 2014, 2, 6097
DOI: 10.1039/C4TC00747F

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