Atomically Precise Fcc-Amorphous Homometal Heterojunction with ∼1 nm Size.

ABSTRACT: The emerging of ultrasmall gold nanoparticles (nanoclusters) with atomic precision provides opportunities for precisely studying crystalline-amorphous heterostructures, despite the construction of such structures being challenging. In this work, we developed an acid-induction method and synthesized a Au₅₂(TBBT)₃₀ (TBBTH = 4-tert-butylbenzenelthiol) nanocluster with the kernel composed of two parts: the amorphous Au₂₂ part and the fcc Au₂₁ part, which represents the first construction of fcc-amorphous homometal heterojunction with ∼1 nm size. Density function theory (DFT) revealed that the HOMO-LUMO majorly distributed in the amorphous part and the HOMO-LUMO gap was dominated by the amorphous part, indicating the redox activity of the amorp

SUBMITTER: Zhuang S 

PROVIDER: S-EPMC12458030 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature