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- Title
Quasi-Dual-Packed-Kerneled Au<sub>49</sub>(2,4-DMBT)<sub>27</sub> Nanoclusters and the Influence of Kernel Packing on the Electrochemical Gap.
- Authors
Liao, Lingwen; Zhuang, Shengli; Wang, Pu; Xu, Yanan; Yan, Nan; Dong, Hongwei; Wang, Chengming; Zhao, Yan; Xia, Nan; Li, Jin; Deng, Haiteng; Pei, Yong; Tian, Shi ‐ Kai; Wu, Zhikun
- Abstract
Although face-centered cubic (fcc), body-centered cubic (bcc), hexagonal close-packed (hcp), and other structured gold nanoclusters have been reported, it was unclear whether gold nanoclusters with mix-packed (fcc and non-fcc) kernels exist, and the correlation between kernel packing and the properties of gold nanoclusters is unknown. A Au49(2,4-DMBT)27 nanocluster with a shell electron count of 22 has now been been synthesized and structurally resolved by single-crystal X-ray crystallography, which revealed that Au49(2,4-DMBT)27 contains a unique Au34 kernel consisting of one quasi-fcc-structured Au21 and one non-fcc-structured Au13 unit (where 2,4-DMBTH=2,4-dimethylbenzenethiol). Further experiments revealed that the kernel packing greatly influences the electrochemical gap (EG) and the fcc structure has a larger EG than the investigated non-fcc structure.
- Subjects
GOLD nanoparticles; ELECTROCHEMISTRY; BODY-centered cubic metals; CRYSTAL structure; ELECTRONIC structure
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 41, p12818
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201707582