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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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Publication details

The article was received on 17 Mar 2016, accepted on 27 May 2016 and first published on 27 May 2016


Article type: Communication
DOI: 10.1039/C6NR02251K
Citation: Nanoscale, 2016,8, 12123-12127
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    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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