Modular assembly of plasmonic core–satellite structures as highly brilliant SERS-encoded nanoparticles. Issue 1 (8th November 2018)

• Record Type: Journal Article
• Authors: Pazos-Perez, Nicolas; Fitzgerald, Jamie M.; Giannini, Vincenzo; Guerrini, Luca; Alvarez-Puebla, Ramon A.
• Is Part Of: Nanoscale advances. Volume 1:Issue 1(2019)
• Page Start: 122
• Page End: 131
• Publication Date: 2018-11-08
• Subjects: 620.5
• DOI: 10.1039/c8na00257f
• Languages: English
• ISSNs: 2516-0230

Abstract

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. 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.