Gold Nanotubes by Template-Directed Synthesis

Authors: Barreca, Davide; Gasparotto, Alberto; Tondello, Eugenio

Source: Journal of Nanoscience and Nanotechnology, Volume 5, Number 6, June 2005 , pp. 994-998(5)

Publisher: American Scientific Publishers

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Abstract:

Gold nanotubes were prepared by radiofrequency (RF)-sputtering through a template-directed synthesis in porous alumina substrates. The resulting composite material was subsequently treated in acidic or alkaline aqueous solutions in order to selectively remove the membrane, thus resulting in the obtainment of self-supporting Au nanotubules. The adopted strategy allows the preparation of both composites and free-standing metal nanostructures with an aspect ratio tunable as a function of the synthesis conditions and the membrane pore size.

Keywords: GOLD NANOTUBES; RF-SPUTTERING; TEMPLATE SYNTHESIS; ALUMINA MEMBRANES

Document Type: Short communication

DOI: http://dx.doi.org/10.1166/jnn.2005.130

Publication date: 2005-06-01

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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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