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Proceedings Paper

Nanoporous gold decorated with silver nanoparticles as large area efficient SERS substrate
Author(s): M. Ardini; J. A. Huang; C. Sanchez-Sanchez; P. Ponzellini; N. Maccaferri; A. Jacassi; S. Cattarin; E. Calandrini; D. Garoli
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Paper Abstract

Nanoporous gold is a very promising material platform for several plasmonic applications. Nanoporous gold can be formed by dealloying Au–Ag alloys, previously grown by means of Ag-Au co-sputtering. The optical response is completely determined by the nanostructured film features, that only depend on the initial alloy composition. It has been extensively used as SERS substrate both as thin film and nanofabricated fancy designs. Here we explore the potential application of nanoporous gold as SERS substrate as it is coupled and decorated with Ag nanoparticles. Significant enhancement has been observed in comparison with bare nanoporous film.

Paper Details

Date Published: 25 August 2017
PDF: 6 pages
Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 103460E (25 August 2017); doi: 10.1117/12.2273947
Show Author Affiliations
M. Ardini, Istituto Italiano di Tecnologia (Italy)
J. A. Huang, Istituto Italiano di Tecnologia (Italy)
C. Sanchez-Sanchez, Istituto Italiano di Tecnologia (Italy)
P. Ponzellini, Istituto Italiano di Tecnologia (Italy)
N. Maccaferri, Istituto Italiano di Tecnologia (Italy)
A. Jacassi, Istituto Italiano di Tecnologia (Italy)
S. Cattarin, ICMATE-CNR (Italy)
E. Calandrini, Istituto Italiano di Tecnologia (Italy)
D. Garoli, Istituto Italiano di Tecnologia (Italy)

Published in SPIE Proceedings Vol. 10346:
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV
Din Ping Tsai; Takuo Tanaka, Editor(s)

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