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

Gibson, Kirsty F. and Correia-Ledo, Debby and Couture, Maxime and Graham, Duncan and Masson, Jean-Francois (2011) Correlated AFM and SERS imaging of the transition from nanotriangle to nanohole arrays. Chemical Communications (London), 47 (12). pp. 3404-3406. ISSN 0009-241X

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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.