Journal
RSC ADVANCES
Volume 12, Issue 18, Pages 11047-11051Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ra01080a
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Funding
- National Nature Science Foundation of China [22065035, 21968036]
- Doctoral Scienti.c Research Foundation of Yulin university [18GK24]
- Joint Fund of the Yulin University [2021007]
- Dalian National Laboratory for Clean Energy [2021007]
- Social development projects of Shaanxi science and Technology Department [2020SF-408]
- Project of Shaanxi Provincial Department of Education [20JC039, 21JP148, 21JP146, 21JS047]
- Key R&D projects of Shaanxi Provincial Department of science and technology [2021GY-165]
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We report the synthesis and crystal structure of a novel gold nanocluster with phosphine/alkynyl ligands, showing unique optical properties.
We report the synthesis and crystal structure of novel co-ligand phosphine/alkynyl protected Au nanoclusters, with composition [Au-11(PPh3)(8) (C CPh-CF3)(2)](SbF6) (1). The gold atoms in the cluster as a capped crown structure subtend C-3v symmetry with one deriving from a central icosahedron and 10 peripheral Au atoms, and all alkynides are exclusively a coordination bonding. The mean core diameter is about 5.1 angstrom and the overall van der Waals diameter can be estimated to be 20.5 angstrom. The optical absorbance of 1 in solution reveals characteristic peaks at 384 and 426 nm and a shoulder between 450 and 550 nm.
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