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Molecularly linked 3D plasmonic nanoparticle core/satellite assemblies: SERS nanotags with single-particle Raman
Max Schütz1, Sebastian Schlücker
1University of Duisburg-Essen, Faculty of Chemistry, Center for Nanointegration Duisburg-Essen (CENIDE), Universitätsstr. 5, 45141 Essen, Germany. sebastian.schluecker@uni-due.de.
Physical Chemistry Chemical Physics : PCCP
|September 3, 2015
Abstract:
A fast, generic, and suspension-based route to highly SERS-active assemblies of noble metal nanoparticles (Au, Ag) with small core-satellite gaps and single-particle Raman sensitivity is presented. Rationally designed, heterobifunctional Raman reporters serve as molecular linkers for electrostatic conjugation of the small satellites to the large core.
