Nanoporous gold decorated with silver nanoparticles as large area efficient SERS substrate

Ardini, Matteo; Huang, Jian-An; Sanchez-Sanchez, Carlos; Ponzellini, Paolo; Maccaferri, Nicolò; Jacassi, Andrea; Cattarin, Sandro; Calandrini, Eugenio; Garoli, Denis

doi:10.1117/12.2273947

Reference : Nanoporous gold decorated with silver nanoparticles as large area efficient SERS substrate


	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a journal
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/10993/38917

Title :	Nanoporous gold decorated with silver nanoparticles as large area efficient SERS substrate
Language :	English
Author, co-author :	Ardini, Matteo []
	Huang, Jian-An []
	Sanchez-Sanchez, Carlos []
	Ponzellini, Paolo []
	Maccaferri, Nicolò [Istituto Italiano di Tecnologia]
	Jacassi, Andrea []
	Cattarin, Sandro []
	Calandrini, Eugenio []
	Garoli, Denis []
Publication date :	2017
Journal title :	Proceedings of SPIE : The International Society for Optical Engineering
Publisher :	International Society for Optical Engineering
Volume :	10346
Peer reviewed :	Yes
Audience :	International
ISSN :	0277-786X
e-ISSN :	1996-756X
City :	Bellingham
Country :	WA
Event name :	SPIE Nanoscience + Engineering
Event date :	from 06-08-2017 to 10-08-107
Event place (city) :	San Diego
Event country :	CA
Abstract :	[en] 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.
Permalink :	http://hdl.handle.net/10993/38917
DOI :	10.1117/12.2273947
Other URL :	https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10346/2273947/Nanoporous-gold-decorated-with-silver-nanoparticles-as-large-area-efficient/10.1117/12.2273947.short

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