Issue 38, 2014

Fluorescent Au nanoclusters: recent progress and sensing applications

Abstract

Recent progress in nanotechnology has given rise to a new class of fluorescent nanomaterials: fluorescent noble metal nanoclusters. The noble metal nanoclusters include Ag, Au, Cu and Pt and typically consist of a ligand shell and a metal core, which incorporates various numbers of atoms ranging from only a few to several hundred, with diameters <2 nm. Au nanoclusters are the most intensely studied of these materials because of their attractive features, including convenient synthesis, ultra-small size, fluorescent properties, excellent optical/colloidal stability and biocompatibility. This paper summarizes the common synthesis strategies for obtaining water-soluble, highly fluorescent Au nanoclusters using different capping agents, and highlights recent advances in their fluorescent sensing applications with an emphasis on the sensing mechanisms. We also consider the prospects, opportunities and challenges for the synthesis and application of Au nanoclusters.

Graphical abstract: Fluorescent Au nanoclusters: recent progress and sensing applications

Article information

Article type
Feature Article
Submitted
13 رمضان 1435
Accepted
11 شوال 1435
First published
11 شوال 1435

J. Mater. Chem. C, 2014,2, 8000-8011

Fluorescent Au nanoclusters: recent progress and sensing applications

J. Sun and Y. Jin, J. Mater. Chem. C, 2014, 2, 8000 DOI: 10.1039/C4TC01489H

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