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

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...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2011-01, Vol.47 (12), p.3404-3406
Main Authors: Gibson, Kirsty F, Correia-Ledo, Debby, Couture, Maxime, Graham, Duncan, Masson, Jean-Francois
Format: Article
Language:English
Subjects:
Arrays
Atomic force microscopy
Correlation
Imaging
Nanocomposites
Nanomaterials
Nanostructure
Silver
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Summary: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.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc05287f