Issue 1, 2019

Modular assembly of plasmonic core–satellite structures as highly brilliant SERS-encoded nanoparticles

Abstract

Herein, we present a fabrication approach that produces homogeneous core–satellite SERS encoded particles with minimal interparticle gaps (<2–3 nm) and maximum particle loading, while positioning the encoding agents at the gaps. Integration of plasmonic building blocks of different sizes, shapes, compositions, surface chemistries or encoding agents is achieved in a modular fashion with minimal modification of the general synthetic protocol. These materials present an outstanding optical performance with homogeneous enhancement factors over 4 orders of magnitude as compared with classical SERS encoded particles, which allows their use as single particle labels.

Graphical abstract: Modular assembly of plasmonic core–satellite structures as highly brilliant SERS-encoded nanoparticles

Supplementary files

Article information

Article type
Paper
Submitted
29 9 2018
Accepted
27 10 2018
First published
29 10 2018
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2019,1, 122-131

Modular assembly of plasmonic core–satellite structures as highly brilliant SERS-encoded nanoparticles

N. Pazos-Perez, J. M. Fitzgerald, V. Giannini, L. Guerrini and R. A. Alvarez-Puebla, Nanoscale Adv., 2019, 1, 122 DOI: 10.1039/C8NA00257F

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