Issue 3, 2017

Synthesis, optical properties and applications of light-emitting copper nanoclusters

Abstract

Metal nanoclusters (NCs) containing a few to a few hundreds of atoms bridge the gap between nanoparticles and molecular compounds. The last decade evidenced impressive developments of noble metal NCs such as Au and Ag. Copper is an earth abundant, inexpensive metal from the same group of the periodic table, which is increasingly coming into focus for NC research. This review specifically addresses wet chemical synthesis methods, optical properties and some emerging applications of Cu NCs. As surface protecting templates/ligands play an important role in the stability and properties of Cu NCs, we classified the synthetic methods by the nature of the capping agents. The optical properties of Cu NCs are discussed from the point of view of the effects of the metal core, surface ligands and environment (solvents and aggregation) on the emission of the clusters. Applications of luminescent Cu NCs in biological imaging and light emitting devices are considered.

Graphical abstract: Synthesis, optical properties and applications of light-emitting copper nanoclusters

Article information

Article type
Review Article
Submitted
24 Jan 2017
Accepted
07 Mar 2017
First published
21 Mar 2017

Nanoscale Horiz., 2017,2, 135-146

Synthesis, optical properties and applications of light-emitting copper nanoclusters

Z. Wang, B. Chen and A. L. Rogach, Nanoscale Horiz., 2017, 2, 135 DOI: 10.1039/C7NH00013H

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