Inorganic Chemistry
Inorganic Chemistry
5 years ago

Thiol-Induced Synthesis of Phosphine-Protected Gold Nanoclusters with Atomic Precision and Controlling the Structure by Ligand/Metal Engineering

Thiol-Induced Synthesis of Phosphine-Protected Gold Nanoclusters with Atomic Precision and Controlling the Structure by Ligand/Metal Engineering
Man Chen, Guodong Sun, Shuang Chen, Xuejuan Zou, Xi Kang, Manzhou Zhu, Daqiao Hu, Wenjun Du, Shan Jin, Shuxin Wang
Three phosphine ligand-protected monodisperse [Au13(Dppm)6](BPh4)3, [Au18(Dppm)6Br4](BPh4)2, and [Au20(Dppm)6(CN)6] nanoclusters are successfully obtained by thiol destroy and size focusing method. Meanwhile, [Au18(Dppm)6Br4](BPh4)2 could be converted into [Au13(Dppm)6](BPh4)3 and [Au20(Dppm)6(CN)6] by engineering the surface ligands under PPh3 or NaBH3CN, respectively. Further, the [Au18−xAgx(Dppm)6Br4](BPh4)2 can be synthesized by target metal exchange of [Au18(Dppm)6Br4](BPh4)2 with AdmS-Ag. The work will contribute to more intensive understanding on synthesizing phosphine-protected nanoclusters and structure transformation by ligand/metal engineering.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01458

DOI: 10.1021/acs.inorgchem.7b01458

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