HCl-Induced Nuclearity Convergence in Diphosphine-Protected Ultrasmall Gold Clusters: A Novel Synthetic Route to “Magic-Number” Au13 Clusters


  • This work was partially supported by the MEXT, Grant-in-Aid for Scientific Research on Innovative Areas “Emergence in Chemistry” (20111009) and Japan Science and Technology Agency (JST), Core Research for Evolutional Science and Technology (CREST). We thank Dr. K. Yoza (Bruker AXS) and Dr. S. Inoue (Horiba) for crystallographic and photoluminescence experiments, respectively.


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A magic-number Au13 cluster with icosahedral geometry can be exclusively generated from a polydisperse mixture of ultrasmall 1,2-bis(diphenylphosphino)ethane-coordinated gold clusters upon treatment with HCl, which acts as an efficient promoter.