Ag2Au50(PET)36 Nanocluster: Dimeric Assembly of Au25(PET)18 Enabled by Silver Atoms

Liu, Xu; Saranya, Govindarajan; Huang, Xinyu; Cheng, Xinglian; Wang, Rui; Chen, Mingyang; Zhang, Chunfeng; Li, Tao; Zhu, Yan

doi:10.1002/ange.202005087

Cited by 4 publications

(1 citation statement)

References 58 publications

(101 reference statements)

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“…Of course, we cannot pretend that this optimized structure corresponds to the dimer of [Cu 27 H 15 {S 2 CN n Bu 2 } 12 + Cu + ] + identified in the ESI-MS experiments, but our results indicate that such dimeric structures can exist. It is noted that the existence of a dimeric species of [Au 25 (PET) 18 ] − can also be observed in the mass spectrometry experiments, 29 which could be attributed to the formation of transient cluster aggregates in the gas phase.…”

Section: Resultsmentioning

confidence: 96%

Unusual core engineering on a copper hydride nanoball

et al. 2023

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Section: Resultsmentioning

confidence: 96%

Unusual core engineering on a copper hydride nanoball

et al. 2023

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Atomically Precise Metal Nanoclusters: Novel Building Blocks for Hierarchical Structures

Bonacchi

Antonello

Dainese

et al. 2020

Chemistry A European J

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Atomically precise ligand-protected nanoclusters (NCs) constitutea ni mportant class of compounds that exhibit well-defineds tructures and, when sufficiently small, evident molecular properties. NCs provide versatile building blocks to fabricate hierarchical superstructures. The assembly of NCs indeed offers opportunities to devise new materials with given structures and able to carry out specific functions. In this Concept article, we highlight the possibilities offered by NCs in which the physicochemical properties are controlled by the introductiono ff oreign metal atoms and/or modification of the compositiono f the capping monolayer with functional ligands. Different approaches to assemble NCs into dimers and higher hierarchy structures and the corresponding changes in physicochemical properties are also described.

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Contributions of Internal Atoms of Atomically Precise Metal Nanoclusters to Catalytic Performances

Cai

Sun

et al. 2021

Chemistry A European J

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Every atom of a heterogeneous catalyst can play a direct or indirect role in its overall catalytic properties. However, it is extremely challenging to determine explicitly which atom(s) of a catalyst can contribute most to its catalytic performance because the observed performance usually reflects an average of all the atoms in the catalyst. The emergence of atomically precise metal nanoclusters brings unprecedented opportunities to address these central issues, as the crystal structures of such nanoclusters have been solved, and hence very fundamental understanding of nanocatalysis can be attained at an atomic level. This minireview focuses on recent efforts to reveal the contributions of the internal atoms or vacancies of nanocluster catalysts to the catalytic processes, including how the catalytic activity can be dramatically changed by the central doping of a foreign atom, how catalytic activation and inactivation can be reversibly switched by shuttling the central atom into and out of nanoclusters, and how evolution in catalytic activity can be driven by structural periodicity in the inner kernels of the nanoclusters. We anticipate that progress in this research area could represent a novel conceptual framework for understanding the crucial roles of internal atoms of the catalysts in tuning the catalytic properties.

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Ag₂Au₅₀(PET)₃₆ Nanocluster: Dimeric Assembly of Au₂₅(PET)₁₈ Enabled by Silver Atoms

Cited by 4 publications

References 58 publications

Unusual core engineering on a copper hydride nanoball

Unusual core engineering on a copper hydride nanoball

Atomically Precise Metal Nanoclusters: Novel Building Blocks for Hierarchical Structures

Contributions of Internal Atoms of Atomically Precise Metal Nanoclusters to Catalytic Performances

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