A1 Journal article (refereed)
Atomically Precise Alkynyl- and Halide-Protected AuAg Nanoclusters Au78Ag66(C≡CPh)48Cl8 and Au74Ag60(C≡CPh)40Br12 : The Ligation Effects of Halides (2021)

Yuan, X., Malola, S., Deng, G., Chen, F., Häkkinen, H., Teo, B. K., Zheng, L., & Zheng, N. (2021). Atomically Precise Alkynyl- and Halide-Protected AuAg Nanoclusters Au78Ag66(C≡CPh)48Cl8 and Au74Ag60(C≡CPh)40Br12 : The Ligation Effects of Halides. Inorganic Chemistry, 60(6), 3529-3533. https://doi.org/10.1021/acs.inorgchem.0c03462

JYU authors or editors

Malola, Sami
Häkkinen, Hannu

Publication details

All authors or editors: Yuan, Xiting; Malola, Sami; Deng, Guocheng; Chen, Fengjiao; Häkkinen, Hannu; Teo, Boon K.; Zheng, Lansun; Zheng, Nanfeng

Journal or series: Inorganic Chemistry

ISSN: 0020-1669

eISSN: 1520-510X

Publication year: 2021

Volume: 60

Issue number: 6

Pages range: 3529-3533

Publisher: American Chemical Society

Publication country: United States

Publication language: English

DOI: https://doi.org/10.1021/acs.inorgchem.0c03462

Publication open access: Not open

Publication channel open access:

Abstract

Reported herein are the synthesis and structures of two high-nuclearity AuAg nanoclusters, namely [Au78Ag66(C≡CPh)48Cl8]q− and [Au74Ag60(C≡CPh)40Br12]2–. Both clusters possess a three-concentric-shell Au12@Au42@Ag60 structure. However, the dispositions of the metal atoms, and the ligand coordination modes, of the outermost shells of these clusters are distinctly different. These structural differences reflect the bonding characteristics of the halide ligands. As revealed by density functional theory analysis, these clusters exhibit superatomic electron shell closings at magic numbers of 92 (for q = 4) and 84, respectively, consistent with their spherical shapes. Both clusters exhibit unusual multivalent redox properties.

Keywords: nanoparticles; clusters; gold; silver; ligands

Fields of science: