Issue 25, 2020
From the journal:

Nanoscale

Homoleptic alkynyl-protected gold nanoclusters with unusual compositions and structures†‡

Zong-Jie Guan, ORCID logo ab   Feng Hu,a   Jiao-Jiao Li,a   Zi-Rui Liua  and  Quan-Ming Wang ORCID logo *ab  

* Corresponding authors

a Department of Chemistry, Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Tsinghua University, Beijing, P. R. China
E-mail: qmwang@tsinghua.edu.cn
Web: http://www.wangqmlab.org.cn

b Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China

Abstract

We report two novel homoleptic alkynyl-protected gold nanoclusters, which were synthesized by direct reduction of AuC[triple bond, length as m-dash]CR. Single-crystal X-ray structural analysis reveals that they have compositions of Au42(C[triple bond, length as m-dash]CC6H4-2-CF3)22 (1) and Au50(C[triple bond, length as m-dash]C6H4-3-F)26 (2), respectively. Cluster 2 is the first Au50 nanocluster, and the metal-to-ligand ratios of 1 and 2 are different from those of known Aun(SR)m or Aux(C[triple bond, length as m-dash]CR)y nanoclusters. In addition, the metal kernels of these two clusters are built up unprecedented units. This work offers further insights into the synthesis of all-alkynyl-protected gold nanoclusters via a direct reduction method.

Graphical abstract: Homoleptic alkynyl-protected gold nanoclusters with unusual compositions and structures

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Article information

DOI
https://doi.org/10.1039/D0NR02986F
Article type
Communication
Submitted
22 شعبان 1441
Accepted
16 شوال 1441
First published
17 شوال 1441

Nanoscale, 2020,12, 13346-13350

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Homoleptic alkynyl-protected gold nanoclusters with unusual compositions and structures

Z. Guan, F. Hu, J. Li, Z. Liu and Q. Wang, Nanoscale, 2020, 12, 13346 DOI: 10.1039/D0NR02986F

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