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Sub-10 nm porous alumina templates to produce sub-10 nm nanowires

AuthorsResende, Pedro M.; Martín-González, Marisol
Anodic aluminum oxide
Issue DateAug-2019
PublisherElsevier BV
CitationMicroporous and Mesoporous Materials 284: 198-204 (2019)
AbstractThe versatility of Anodic Aluminum Oxide has led to the development of a variety of templates with ranging sizes, periodic modulations, and network-like architectures. These templates allow for the nanostructuration and study of new meta-materials, with interesting and important properties enhanced through size-reduction effects. In this work, we further extend the utility of these templates through the use of current anodization in concentrated Sulfuric acid and 25% V/V of ethanol under low current density values, obtaining small pore architectures with sub-10 nm features. In addition, polymer infiltration was performed as a proof of concept application, resulting in 8 nm nanowires. The templates reduced sizes allow for their application in the search for stable, extremely small diameter nanowires, and also for their use as scaffolds or filters.
Publisher version (URL)http://dx.doi.org/10.1016/j.micromeso.2019.04.020
Identifiersdoi: 10.1016/j.micromeso.2019.04.020
issn: 1387-1811
Appears in Collections:(CNM) Artículos
(IMN-CNM) Artículos
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