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Issue 24, 2016
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Symmetry breaking in ligand-protected gold clusters probed by nonlinear optics

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Abstract

The first hyperpolarizabilities of [Au25(SR)18]−1/0 and Au38(SR)24 clusters were determined by Hyper-Rayleigh Scattering. A strong dependence on the molecular symmetry was observed, and we explore two strategies to destroy the center of inversion in [Au25(SR)18]−1/0, protection by chiral ligands and alloying of the cluster with silver. This may open new avenues to applications of Au : SR clusters in second-order nonlinear optics.

Graphical abstract: Symmetry breaking in ligand-protected gold clusters probed by nonlinear optics

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Article information


Submitted
17 Mar 2016
Accepted
27 May 2016
First published
27 May 2016

Nanoscale, 2016,8, 12123-12127
Article type
Communication

Symmetry breaking in ligand-protected gold clusters probed by nonlinear optics

N. Van Steerteghem, S. Van Cleuvenbergen, S. Deckers, C. Kumara, A. Dass, H. Häkkinen, K. Clays, T. Verbiest and S. Knoppe, Nanoscale, 2016, 8, 12123
DOI: 10.1039/C6NR02251K

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