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.

Metal nanostructures for the enhancement of the Raman response of molecular adsorbates / E. Giorgetti; F. Giammanco; G. Margheri; S. Trigari; M. Muniz-Miranda. - ELETTRONICO. - 8011:(2011), pp. 0-0. (Intervento presentato al convegno 22nd Congress of the International Commission for Optics tenutosi a Puebla, Mexico nel August, 2011) [10.1117/12.901862].

Metal nanostructures for the enhancement of the Raman response of molecular adsorbates

MUNIZ-MIRANDA, MAURIZIO
2011

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.
2011
22nd Congress of the International Commission for Optics
Puebla, Mexico
August, 2011
E. Giorgetti; F. Giammanco; G. Margheri; S. Trigari; M. Muniz-Miranda
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/684160
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