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Showing 1–9 of 9 results
Advanced filters: Author: Takane Imaoka Clear advanced filters

  • Multimetallic clusters are difficult to synthesize with control over elemental composition and organization. Here, the authors use dendrimers to precisely template the formation of five-element sub-nanoclusters, providing an elegant route to otherwise-inaccessible multinary compounds.

    • Takamasa Tsukamoto
    • Tetsuya Kambe
    • Kimihisa Yamamoto
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7

  • Superatoms—clusters that exhibit some of the properties of elemental atoms—could serve as building blocks for functional materials, but their synthesis outside of the gas phase is highly challenging. Here, the authors use a dendrimer template to successfully produce Al13 − in solution.

    • Tetsuya Kambe
    • Naoki Haruta
    • Kimihisa Yamamoto
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Metal clusters are highly dynamic under catalytic conditions, which presents a challenge when it comes to recognizing active species. Now, the identification and categorization of metastable cluster states into ‘living libraries’ has been shown to clarify their crucial role in catalysis, pointing towards new design strategies for more efficient catalysts.

    • Takane Imaoka
    • Kimihisa Yamamoto
    News & Views
    Nature Chemistry
    Volume: 17, P: 473-474

  • The dynamic assembly and disassembly of atoms and molecules is challenging to characterize in real time, with atomic resolution and elemental identification. Here, the authors report direct observation of more than twenty homo and hetero-metallic compounds, including labile Ag-Cu dimers and Au-Ag-Cu trimers.

    • Minori Inazu
    • Yuji Akada
    • Kimihisa Yamamoto
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • Platinum nanoparticles are excellent catalysts, but maintaining that effectiveness at ever smaller particle sizes is crucial to make best use of the precious metal. Now, a dendrimer has been used as a template to make subnanometre clusters, with a defined number of atoms, that exhibit high catalytic activity.

    • Kimihisa Yamamoto
    • Takane Imaoka
    • Atsunori Sonoi
    Research
    Nature Chemistry
    Volume: 1, P: 397-402

  • The catalytic activity of a noble metal nanocluster is tied to its atomicity. Here, the authors report an atom-precise, fully scalable synthesis of platinum clusters from molecular ring precursors, and show that a variation of only one atom can dramatically change a cluster’s reactivity.

    • Takane Imaoka
    • Yuki Akanuma
    • Kimihisa Yamamoto
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-8

  • Theoretical models of clusters that account for molecular symmetry offer guidelines for their design. This Perspective describes the models and how we can synthesize the clusters thus designed.

    • Takamasa Tsukamoto
    • Tetsuya Kambe
    • Kimihisa Yamamoto
    Reviews
    Nature Reviews Chemistry
    Volume: 5, P: 338-347