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Electrodeposition of Copper / Cuprous Oxide Nanocomposites

Published online by Cambridge University Press:  10 February 2011

Jay A. Swrrzer ,
Eric W. Bohannan ,
Teresa D. Golden ,
Chen-Jen Hung ,
Ling-Yuang Huang  and
Mark Shumsky
Jay A. Swrrzer
Affiliation:
Department of Chemistry and Materials Research Center, University of Missouri - Rolla, Rolla, MO 65409–1170, USA, switzer@umr.edu.
Eric W. Bohannan
Affiliation:
Department of Chemistry and Materials Research Center, University of Missouri - Rolla, Rolla, MO 65409–1170, USA, switzer@umr.edu.
Teresa D. Golden
Affiliation:
Department of Chemistry and Materials Research Center, University of Missouri - Rolla, Rolla, MO 65409–1170, USA, switzer@umr.edu.
Chen-Jen Hung
Affiliation:
Department of Chemistry and Materials Research Center, University of Missouri - Rolla, Rolla, MO 65409–1170, USA, switzer@umr.edu.
Ling-Yuang Huang
Affiliation:
Department of Chemistry and Materials Research Center, University of Missouri - Rolla, Rolla, MO 65409–1170, USA, switzer@umr.edu.
Mark Shumsky
Affiliation:
Department of Chemistry and Materials Research Center, University of Missouri - Rolla, Rolla, MO 65409–1170, USA, switzer@umr.edu.
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Abstract

Nanocomposite films of copper metal and cuprous oxide were electrodeposited at room temperature from an alkaline copper(11) lactate solution. The electrode potential oscillated spontaneously during constant-current deposition of the composites. The oscillations were periodic in a stirred solution, but became chaotic in unstirred solution. For a given current density the phase composition was a strong function of solution pH. As the pH was increased, the cuprous oxide content increased. At pH 12, no oscillations were observed, and pure cuprous oxide was deposited. At pH 9, the phase composition varied from pure cuprous oxide at current densities below 0.1 mA/cm2 to 96 mole percent copper at 2.5 mA/cm2.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 451: Symposium P – Electrochemical Synthesis and Modification , 1996 , 283
Copyright
Copyright © Materials Research Society 1997

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References

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