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Nanostructure of the nanopores in anodic aluminum oxide films used as template to fabricate Ag nanowires

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Abstract

Well-ordered nanoporous anodic aluminum oxide (AAO) templates have been prepared on aluminum substrates by a two-step anodization process. A voltage-controlled branching method was successfully used to thin the barrier layer of the AAO template. The nanostructures of the pores, the branched subpores, and the barrier layer in the AAO template were studied in association with the anodization process and barrier layer thinning methods. Results demonstrate the voltage-controlled branching method is a facile and effective way to thin the barrier layer. Uniform silver nanowires can be easily fabricated using alternating current (ac) electrodeposition into the pores of AAO after redressing the barrier layer.

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Authors and Affiliations

  1. Center for Nanotechnology and Molecular Materials and Department of Physics, Wake Forest University, Winston Salem, North Carolina, 27109, USA

    Junping Zhang, Jerrold E. Kielbasa & David L. Carroll

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  1. Junping Zhang
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  2. Jerrold E. Kielbasa
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  3. David L. Carroll
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Correspondence to David L. Carroll.

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Zhang, J., Kielbasa, J.E. & Carroll, D.L. Nanostructure of the nanopores in anodic aluminum oxide films used as template to fabricate Ag nanowires. Journal of Materials Research 24, 1735–1740 (2009). https://doi.org/10.1557/jmr.2009.0206

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  • DOI: https://doi.org/10.1557/jmr.2009.0206

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