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Fabrication and Characterization of Integrated Ultrahigh-Density Pt Nanowire Arrays within the AAO Template

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Abstract:

The parallel Pt nanowires with highly ordered array and the length more than a dozen micrometers were prepared by the direct current electro-deposition in porous anodic aluminum oxide (AAO) templates. The deposition was performed in a aqueous solution of the Pt (NO2)2(NH3)2 composite electrolyte. The images and structure of Pt nanowire arrays were obtained by field emission scanning electron microscope (FESEM) and transmission electron microscope (TEM), respectively. Selected area electron diffraction (SAED) are employed to study the crystalline morphology of Pt nanowire arrays. The relationship between the nanowires length and electro-deposition time was discussed. Their growth speed is about 0.5μm/h. The TEM micrographs show that these nanowires have uniform diameter of approximate 55nm. SAED pattern reveals that the Pt nanowire has a polycrystalline structure.

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Periodical:

Materials Science Forum (Volume 789)

Pages:

1-5

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.789.1

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Online since:

April 2014

Authors:

Wei Yang, Chun Xiang Cui*, Qiao Zhi Liu, Ji Bing Sun

Keywords:

Anodic Aluminum Oxide (AAO) Template, Direct Current Electrodeposition, Nanowire Array, Polycrystal Platinum

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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