Issue 41, 2021

Encapsulation of gold nanoclusters: stabilization and more

Abstract

Gold nanoparticles with only a few atoms, known as gold nanoclusters (AuNCs), have dimensions below 2 nm and feature singular properties such as size dependent luminescence. AuNCs are also highly photostable and have catalytic activity, low toxicity and good biocompatibility. With these properties, they are extremely promising candidates for application in bioimaging, sensing and catalysis. However, when stabilized only with small capping ligands, their use is hindered by lack of colloidal stability. Encapsulation of the AuNCs can contribute to provide a more robust protection and even to improve their properties. Here, we review the encapsulation of AuNCs in polymers, silica and metal organic frameworks (MOFs) for applications in bioimaging, sensing and catalysis.

Graphical abstract: Encapsulation of gold nanoclusters: stabilization and more

Article information

Article type
Review Article
Submitted
29 7月 2021
Accepted
26 8月 2021
First published
08 10月 2021

Nanoscale, 2021,13, 17199-17217

Encapsulation of gold nanoclusters: stabilization and more

B. Casteleiro, J. M. G. Martinho and J. P. S. Farinha, Nanoscale, 2021, 13, 17199 DOI: 10.1039/D1NR04939A

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