An approach to fabrication of metal nanoring arrays

Maryam Bayati; Piotr Patoka; Michael Giersig; Elena R. Savinova

doi:10.1021/la904287t

An approach to fabrication of metal nanoring arrays

Maryam Bayati, Piotr Patoka, Michael Giersig, Elena R. Savinova

Research output: Contribution to journal › Article › peer-review

38 Citations (Scopus)

Abstract

Fabrication of tailored nanomaterials with desired structure and properties is the greatest challenge of modern nanotechnology. Herein, we describe a wet chemical method for the preparation of large area metal nanoring arrays. This method is based on self-assembly of polystyrene sphere template on a flat substrate and wicking/reducing metal precursor into the interstices between the template and the substrate. In this article, platinum, gold, and copper nanorings were fabricated by applying 505 nm polystyrene spheres onto highly oriented pyrolytic graphite (HOPG) and Si(100) substrates, followed by reducing the templated metal salt with NaBH4. AFM images reveal formation of arrays of metal nanorings comprising metal nanoparticles with the average ring height of 5.7 ± 0.8 nm and diameter of 167.3 ± 8.9 nm. XPS confirms that these structures are metallic.

Original language	English
Pages (from-to)	3549–3554
Number of pages	6
Journal	Langmuir
Volume	26
Issue number	5
Early online date	28 Jan 2010
DOIs	https://doi.org/10.1021/la904287t
Publication status	Published - 2 Mar 2010
Externally published	Yes

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abstract = "Fabrication of tailored nanomaterials with desired structure and properties is the greatest challenge of modern nanotechnology. Herein, we describe a wet chemical method for the preparation of large area metal nanoring arrays. This method is based on self-assembly of polystyrene sphere template on a flat substrate and wicking/reducing metal precursor into the interstices between the template and the substrate. In this article, platinum, gold, and copper nanorings were fabricated by applying 505 nm polystyrene spheres onto highly oriented pyrolytic graphite (HOPG) and Si(100) substrates, followed by reducing the templated metal salt with NaBH4. AFM images reveal formation of arrays of metal nanorings comprising metal nanoparticles with the average ring height of 5.7 ± 0.8 nm and diameter of 167.3 ± 8.9 nm. XPS confirms that these structures are metallic.",

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AU - Patoka, Piotr

AU - Giersig, Michael

AU - Savinova, Elena R.

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N2 - Fabrication of tailored nanomaterials with desired structure and properties is the greatest challenge of modern nanotechnology. Herein, we describe a wet chemical method for the preparation of large area metal nanoring arrays. This method is based on self-assembly of polystyrene sphere template on a flat substrate and wicking/reducing metal precursor into the interstices between the template and the substrate. In this article, platinum, gold, and copper nanorings were fabricated by applying 505 nm polystyrene spheres onto highly oriented pyrolytic graphite (HOPG) and Si(100) substrates, followed by reducing the templated metal salt with NaBH4. AFM images reveal formation of arrays of metal nanorings comprising metal nanoparticles with the average ring height of 5.7 ± 0.8 nm and diameter of 167.3 ± 8.9 nm. XPS confirms that these structures are metallic.

AB - Fabrication of tailored nanomaterials with desired structure and properties is the greatest challenge of modern nanotechnology. Herein, we describe a wet chemical method for the preparation of large area metal nanoring arrays. This method is based on self-assembly of polystyrene sphere template on a flat substrate and wicking/reducing metal precursor into the interstices between the template and the substrate. In this article, platinum, gold, and copper nanorings were fabricated by applying 505 nm polystyrene spheres onto highly oriented pyrolytic graphite (HOPG) and Si(100) substrates, followed by reducing the templated metal salt with NaBH4. AFM images reveal formation of arrays of metal nanorings comprising metal nanoparticles with the average ring height of 5.7 ± 0.8 nm and diameter of 167.3 ± 8.9 nm. XPS confirms that these structures are metallic.

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An approach to fabrication of metal nanoring arrays

Abstract

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