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Controlled synthesis of CuO nanostructures on Cu foil, rod and grid

Vanithakumari, SC and Shinde, SL and Nanda, KK (2011) Controlled synthesis of CuO nanostructures on Cu foil, rod and grid. In: Materials Science and Engineering B, 176 (8). pp. 669-678.

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Official URL: http://dx.doi.org/10.1016/j.mseb.2011.02.013


CuO nanowires are synthesized by heating Cu foil, rod and grid in ambient without employing a catalyst or gas flow at temperatures ranging from 400 to 800 degrees C for a duration of 1-12 h. Scanning electron microscopy (SEM) investigation reveals the formation of nanowires. The structure, morphology and phase of the as-synthesized nanowires are analyzed by various techniques such as X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR). It is found that these nanowires are composed of CuO phase and the underlying film is of Cu2O. A systematic study is carried out to find the possibilities for the transformation of one phase to another completely. A possible growth mechanism for the nanowires is also discussed. (C) 2011 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science B.V.
Keywords: CuO;Nanowires;Growth mechanism;Annealing
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Depositing User: Id for Latest eprints
Date Deposited: 22 Jun 2011 08:55
Last Modified: 22 Jun 2011 08:55
URI: http://eprints.iisc.ac.in/id/eprint/38406

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