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

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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

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Publication details

The article was received on 29 Sep 2018, accepted on 27 Oct 2018 and first published on 29 Oct 2018


Article type: Paper
DOI: 10.1039/C8NA00257F
Citation: Nanoscale Adv., 2019, Advance Article
  • Open access: Creative Commons BY-NC license
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    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, Advance Article , DOI: 10.1039/C8NA00257F

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