Issue 45, 2019
From the journal:

Nanoscale

Boosting the analytical properties of gold nanostars by single particle confinement into yolk porous silica shells†

Maria Blanco-Formoso,‡ab   Ana Sousa-Castillo,‡a   Xiaofei Xiao,cd   Andrea Mariño-Lopez,a   Mariacristina Turino,b   Nicolas Pazos-Perez, ORCID logo b   Vincenzo Giannini,*cd   Miguel A. Correa-Duarte*a  and  Ramon A. Alvarez-Puebla ORCID logo *be  

* Corresponding authors

a Department of Physical Chemistry, Singular Center for Biomedical Research (CINBIO), Southern Galicia Institute of Health Research (IISGS) and Biomedical Research Networking Center for Mental Health (CIBERSAM), Universidade de Vigo, 36310 Vigo, Spain
E-mail: macorrea@uvigo.es

b Department of Physical Chemistry and EMaS, Universitat Rovira i Virgili, 43007 Tarragona, Spain
E-mail: ramon.alvarez@urv.cat

c The Blackett Laboratory, Imperial College London, London SW7 2AZ, UK

d Instituto de Estructura de la Materia (IEM-CSIC), Consejo Superior de Investigaciones Cientificas, Serrano 121, 28006 Madrid, Spain
E-mail: v.giannini@csic.es

e ICREA, Passeig Lluis Companys 23, 08010 Barcelona, Spain

Abstract

Herein we illustrate an effective protocol to boost the optical enhancing properties of gold nanostars. By coating single nanostars with a mesoporous silica layer of the appropriate size (yolk capsules), to localize them under optical microscopy, it is possible to enumerate single particles and design SERS quantitative methods with minute amounts of metallic particles.

Graphical abstract: Boosting the analytical properties of gold nanostars by single particle confinement into yolk porous silica shells

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Article information

DOI
https://doi.org/10.1039/C9NR07889D
Article type
Paper
Submitted
12 Sep 2019
Accepted
29 Oct 2019
First published
29 Oct 2019

Nanoscale, 2019,11, 21872-21879

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Boosting the analytical properties of gold nanostars by single particle confinement into yolk porous silica shells

M. Blanco-Formoso, A. Sousa-Castillo, X. Xiao, A. Mariño-Lopez, M. Turino, N. Pazos-Perez, V. Giannini, M. A. Correa-Duarte and R. A. Alvarez-Puebla, Nanoscale, 2019, 11, 21872 DOI: 10.1039/C9NR07889D

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