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Preparation of Copper Nanowire/Polymer Nanocomposites by Melt Mixing

Published online by Cambridge University Press:  15 February 2011

Matthew J. Krantz ,
Genaro A. Gelves ,
Uttandaraman Sundararaj  and
Joel A. Haber
Matthew J. Krantz
Affiliation:
Department of Chemistry, University of Alberta Edmonton, Alberta, Canada, T6G 2G2 Department of Chemical and Materials Engineering, University of Alberta Edmonton, Alberta, Canada, T6G 2G6
Genaro A. Gelves
Affiliation:
Department of Chemistry, University of Alberta Edmonton, Alberta, Canada, T6G 2G2
Uttandaraman Sundararaj
Affiliation:
Department of Chemical and Materials Engineering, University of Alberta Edmonton, Alberta, Canada, T6G 2G6
Joel A. Haber
Affiliation:
Department of Chemistry, University of Alberta Edmonton, Alberta, Canada, T6G 2G2
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Abstract

A scaleable synthesis of metal nanowires has been developed using ac electrodeposition into the pores of porous aluminum oxide (PAO) templates, through the resistive barrier layer. Gram quantities of high aspect-ratio Cu nanowires (25 nm in diameter by ∼20,000 nm in length) were liberated by dissolving the PAO film with sodium hydroxide solution. The agglomerated nanowires were dispersed in methanol by ultrasonication and collected by centrifugation or filtration. The nanowires were blended into amorphous polyamide by melt processing. The dispersion and percolation of the nanowires in the polymer was investigated by electron microscopy and conductivity measurements as a function of nanowire loading and processing route. Mechanical properties were evaluated by tensile testing of miniature dog bone specimens.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 879: Symposium Z – Chemistry of Nanomaterial Synthesis and Processing , 2005 , Z7.20
Copyright
Copyright © Materials Research Society 2005

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