Au144−xPdx(SR)60 nanomolecules

Nuwan Kothalawala; Chanaka Kumara; Riccardo Ferrando; Amala Dass

doi:10.1039/C3CC45669B

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Au_144−xPd_x(SR)₆₀ nanomolecules†

Nuwan Kothalawala,^a Chanaka Kumara,^a Riccardo Ferrando^b and Amala Dass*^a

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* Corresponding authors

^a Department of Chemistry and Biochemistry, University of Mississippi, 352 Coulter Hall, University, MS 38677, USA
E-mail: amal@olemiss.edu
Fax: +1 662 915 7300
Tel: +1 662 915 1826

^b Dipartimento di Fisica and IMEM/CNR, Via Dodecaneso 33, Genova, Italy

Abstract

Au_144−xPd_x(SR)₆₀ alloy nanomolecules were synthesized and characterized by ESI mass spectrometry to atomic precision. The number of Pd atoms can be varied by changing the incoming metal ratio and plateaus at 7 Pd atoms. Based on the proposed 3-shell structure of Au₁₄₄(SR)₆₀, we hypothesize that the Pd atoms are selectively incorporated into the central Au₁₂ icosahedral core.

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Article information

DOI: https://doi.org/10.1039/C3CC45669B
Article type: Communication
Submitted: 25 Jul 2013
Accepted: 12 Sep 2013
First published: 14 Oct 2013

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Chem. Commun., 2013,49, 10850-10852

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Au_144−xPd_x(SR)₆₀ nanomolecules

N. Kothalawala, C. Kumara, R. Ferrando and A. Dass, Chem. Commun., 2013, 49, 10850 DOI: 10.1039/C3CC45669B

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