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Proceedings Paper

Metal nanostructures for the enhancement of the Raman response of molecular adsorbates
Author(s): Emilia Giorgetti; Francesco Giammanco; Giancarlo Margheri; Silvana Trigari; Maurizio Muniz-Miranda
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Paper Abstract

Spectroscopic investigation of metallic nanostructures of different size and morphology is presented, with particular focus on the capability of enhancing the Raman response of molecular adsorbates, namely on their SERS properties. In this framework, we describe recent results obtained with Au/Ag nanocages and Au nanostars, which can be used conveniently to shift the extinction spectra and the SERS activity up to the near infrared. In the case of nanostars, we present a synthesis procedure which permits fine tuning of their morphology and extinction, thus allowing preparation of structures with controlled SERS activity from 500 up to 1500 nm.

Paper Details

Date Published: 3 November 2011
PDF: 9 pages
Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80116U (3 November 2011); doi: 10.1117/12.901862
Show Author Affiliations
Emilia Giorgetti, Istituto dei Sistemi Complessi, CNR (Italy)
Francesco Giammanco, Univ. di Pisa (Italy)
Giancarlo Margheri, Istituto dei Sistemi Complessi, CNR (Italy)
Silvana Trigari, Istituto dei Sistemi Complessi, CNR (Italy)
Maurizio Muniz-Miranda, Univ. di Firenze (Italy)


Published in SPIE Proceedings Vol. 8011:
22nd Congress of the International Commission for Optics: Light for the Development of the World
Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Rufino Díaz-Uribe; Rufino Díaz-Uribe; Rufino Díaz-Uribe, Editor(s)

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