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Issue 7, 2015
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Oxidative decomposition of Au25(SR)18 clusters in a catalytic context

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Abstract

Gold nanoparticle catalysis of chemical transformations has emerged as a subject of intense interest over the past decade. In particular, Au25(SR)18 has emerged as a model catalyst. In an effort to investigate their potential as intact, homogeneous, unsupported catalysts, we have discovered that Au25(SR)18 clusters are not stable in oxidizing conditions reported for catalytic styrene oxidation. Further investigation suggests that the active catalytic species is an Au(I) species resulting from oxidative decomposition of the starting gold cluster. This conclusion appears independent of R-group on thiolate-ligated Au25(SR)18 clusters.

Graphical abstract: Oxidative decomposition of Au25(SR)18 clusters in a catalytic context

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Supplementary files

Article information


Submitted
03 Oct 2014
Accepted
21 Nov 2014
First published
27 Nov 2014

Chem. Commun., 2015,51, 1240-1243
Article type
Communication
Author version available

Oxidative decomposition of Au25(SR)18 clusters in a catalytic context

T. A. Dreier, O. Andrea Wong and C. J. Ackerson, Chem. Commun., 2015, 51, 1240
DOI: 10.1039/C4CC07832B

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