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

Emilia Giorgetti; Francesco Giammanco; Giancarlo Margheri; Silvana Trigari; Maurizio Muniz-Miranda

doi:10.1117/12.901862

2 November 2011 Metal nanostructures for the enhancement of the Raman response of molecular adsorbates

Emilia Giorgetti, Francesco Giammanco, Giancarlo Margheri, Silvana Trigari, Maurizio Muniz-Miranda

Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 80116U (2011) https://doi.org/10.1117/12.901862
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

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.

Citation Download Citation

Emilia Giorgetti, Francesco Giammanco, Giancarlo Margheri, Silvana Trigari, and Maurizio Muniz-Miranda "Metal nanostructures for the enhancement of the Raman response of molecular adsorbates", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80116U (2 November 2011); https://doi.org/10.1117/12.901862

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