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Chem Commun (Camb). 2011 Mar 28;47(12):3404-6. doi: 10.1039/c0cc05287f. Epub 2011 Feb 18.

Correlated AFM and SERS imaging of the transition from nanotriangle to nanohole arrays.

Chemical communications (Cambridge, England)

Kirsty F Gibson, Debby Correia-Ledo, Maxime Couture, Duncan Graham, Jean-Francois Masson

Affiliations

  1. Centre for Molecular Nanometrology, WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow, UK G1 1XL.

PMID: 21336354 DOI: 10.1039/c0cc05287f

Abstract

Mapping the transition of Ag nanotriangle to nanohole arrays revealed that the optimal SERS response was obtained near the transition. Correlated AFM and Raman imaging provided novel experimental proof that hot spots are located on Ag islands for nanotriangle arrays and in the core area of the hole for nanohole arrays, which is in agreement with previous theoretical predictions.

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