Abstract
AbstractWe present a method for atomically precise nanocluster synthesis. As an illustration, we introduced the reducing‐ligand induction combined method and synthesized a novel nanocluster, which was determined to be Au28(SCH2Ph‐tBu)22 with the same number of gold atoms as existing Au28(SR)20 nanoclusters but different ligands (hetero‐composition‐homo‐size). Compared with the latter, the former has distinct properties and structures. In particular, a novel kernel evolution pattern is reported, i.e., the quasi‐linear growth of Au4‐tetrahedron by sharing one vertex and structural features, including a tritetrahedron kernel with two bridging thiolates and two Au6(SCH2Ph‐tBu)6 hexamer chair‐like rings on the kernel surface were also first reported, which endow Au28(SCH2Ph‐tBu)22 with the best photoluminescence quantum yield among hydrophobic thiolated gold nanoclusters so far, probably due to the enhanced charge transfer from the bi‐ring to the kernel via Au−Au bonds.
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