An approach to fabrication of metal nanoring arrays

Langmuir : the ACS Journal of Surfaces and Colloids
Maryam BayatiElena R Savinova

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 NaBH(4). 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.

References

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Citations

Aug 25, 2011·Nano Letters·T A KelfO B Wright
Sep 11, 2010·Physical Chemistry Chemical Physics : PCCP·Pavel S RuvinskiyElena R Savinova
Jan 1, 2010·Beilstein Journal of Nanotechnology·Alexander WeddemannAndreas Hütten
May 30, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Xiaohui MengDong Qiu
Jul 5, 2012·ACS Applied Materials & Interfaces·Marc D RodwoginMarc A Hillmyer
Jan 15, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Hiroshi Yabu
Jan 12, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Norbert NagyAndrás Deák
Aug 28, 2013·Journal of Colloid and Interface Science·Xuefeng LiuPeng Jiang
Jun 20, 2020·Physical Chemistry Chemical Physics : PCCP·Neethu ThomasEthayaraja Mani

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