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Tuning the Characteristics of Electrochemically Fabricated Gold Nanowires

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Abstract:

We have developed different electrochemical procedures for the production of gold nanowires with variable and controllable crystallographic and morphological properties using etched ion track templates. The texture of the nanowires is tuned by the variation of the electrodeposition parameters. Potentiostatic plating at low overvoltage provides strongly 〈110〉 textured wires for diameters below 100 nm. With the increase in diameter above 100 nm, this texture decreases and the signal from {111} planes becomes more pronounced. Under reverse pulse deposition conditions, 〈100〉 textured wires are generated. The growth mechanism is discussed in detail in terms of the surface energy minimum principle. In addition, wires are shaped in a reliable way from cylindrical to conical geometry by engineering the pore structure in the template.

Keywords: ELECTRODEPOSITION; GOLD; NANOWIRES; TEMPLATE METHOD; TEXTURE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2008.258

Publication date: November 1, 2008

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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