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Fabrication of Nano-Structured Gold Arrays by Guided Self-assembly for Plasmonics

Published online by Cambridge University Press:  01 February 2011

Xiaoli V. Li ,
Clelia A. Milhano ,
Robin M. Cole ,
Phil N. Bartlett ,
Jeremy J. Baumberg  and
Cornelis H. de Groot
Xiaoli V. Li
Affiliation:
xl04r@ecs.soton.ac.uk, University of Southampton, School of Electronics and Computer Science, Salisbury Road, Southampton, SO17 1BJ, United Kingdom, 0044-23-8059-7389, 0044-23-8059-3029
Clelia A. Milhano
Affiliation:
c.milhano@soton.ac.uk, University of Southampton, School of Chemistry, Southampton, SO17 1BJ, United Kingdom
Robin M. Cole
Affiliation:
rmc59@cam.ac.uk, University of Camrbidge, NanoPhotonics Centre, Camrbidge, CB3 0HE, United Kingdom
Phil N. Bartlett
Affiliation:
P.N.Bartlett@soton.ac.uk, University of Southampton, School of Chemistry, Southampton, SO17 1BJ, United Kingdom
Jeremy J. Baumberg
Affiliation:
j.j.baumberg@phy.cam.ac.uk, University of Camrbidge, NanoPhotonics Centre, Camrbidge, CB3 0HE, United Kingdom
Cornelis H. de Groot
Affiliation:
chdg@ecs.soton.ac.uk, University of Southampton, School of Electronics and Computer Science, Southampton, SO17 1BJ, United Kingdom
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Abstract

Gold inverse spherical nanoscale voids have been fabricated in linear arrays for directional plasmon measurements in the visible spectral range. We show that by KOH anisotropic etching in Si, we are able to make V-grooves in which latex spheres of the order of 500 nm self-assemble with largely defect-free cubic symmetry. Both single layer and multilayer assembly in a face-centered close-packed (FCC) lattice can be achieved by varying the width of the trenches. This template is subsequently used for electrodeposition of gold to create the inverse spherical nanovoids.

Keywords

nanostructureself-assemblyelectrodeposition
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1077: Symposium L – Functional Plasmonics and Nanophotonics , 2008 , 1077-L04-01
Copyright
Copyright © Materials Research Society 2008

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