Issue 54, 2012

High temperature nucleation and growth of glutathione protected ∼Ag75 clusters

Abstract

We report the first high temperature solution state synthesis of glutathione (−SG) protected atomically precise silver clusters. Noble metal cluster synthesis from metal ions generally requires ice cold temperatures as they are extremely sensitive and high temperature routes are used only for core reduction methods, starting from nanoparticles. The clusters formed by the new route have distinct features in their absorption profile and they exhibit red luminescence. They are characterised by other spectroscopic and microscopic techniques and a tentative formula of Ag75(SG)40 has been assigned.

Graphical abstract: High temperature nucleation and growth of glutathione protected ∼Ag75 clusters

Supplementary files

Article information

Article type
Communication
Submitted
27 Mas 2012
Accepted
08 Mey 2012
First published
08 Mey 2012

Chem. Commun., 2012,48, 6788-6790

High temperature nucleation and growth of glutathione protected ∼Ag75 clusters

I. Chakraborty, T. Udayabhaskararao and T. Pradeep, Chem. Commun., 2012, 48, 6788 DOI: 10.1039/C2CC33099G

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