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Co-crystallization of atomically precise metal nanoparticles driven by magic atomic and electronic shells

Author

Listed:
  • Juanzhu Yan

    (Xiamen University)

  • Sami Malola

    (University of Jyväskylä)

  • Chengyi Hu

    (Xiamen University)

  • Jian Peng

    (Xiamen University)

  • Birger Dittrich

    (Universitätsstrasse 1)

  • Boon K. Teo

    (Xiamen University)

  • Hannu Häkkinen

    (University of Jyväskylä)

  • Lansun Zheng

    (Xiamen University)

  • Nanfeng Zheng

    (Xiamen University)

Abstract

This paper reports co-crystallization of two atomically precise, different-size ligand-stabilized nanoclusters, a spherical (AuAg)267(SR)80 and a smaller trigonal-prismatic (AuAg)45(SR)27(PPh3)6 in 1:1 ratio, characterized fully by X-ray crystallographic analysis (SR = 2,4-SPhMe2). The larger cluster has a four concentric-shell icosahedral structure of Ag@M12@M42@M92@Ag120(SR)80 (M = Au or Ag) with the inner-core M147 icosahedron observed here for metal nanoparticles. The cluster has an open electron shell of 187 delocalized electrons, fully metallic, plasmonic behavior, and a zero HOMO-LUMO energy gap. The smaller cluster has an 18-electron shell closing, a notable HOMO-LUMO energy gap and a molecule-like optical spectrum. This is the first direct demonstration of the simultaneous presence of competing effects (closing of atom vs. electron shells) in nanocluster synthesis and growth, working together to form a co-crystal of different-sized clusters. This observation suggests a strategy that may be helpful in the design of other nanocluster systems via co-crystallization.

Suggested Citation

  • Juanzhu Yan & Sami Malola & Chengyi Hu & Jian Peng & Birger Dittrich & Boon K. Teo & Hannu Häkkinen & Lansun Zheng & Nanfeng Zheng, 2018. "Co-crystallization of atomically precise metal nanoparticles driven by magic atomic and electronic shells," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05584-9
    DOI: 10.1038/s41467-018-05584-9
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    Cited by:

    1. Xi-Ming Luo & Chun-Hua Gong & Fangfang Pan & Yubing Si & Jia-Wang Yuan & Muhammad Asad & Xi-Yan Dong & Shuang-Quan Zang & Thomas C. W. Mak, 2022. "Small symmetry-breaking triggering large chiroptical responses of Ag70 nanoclusters," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    2. Xi Kang & Xiao Wei & Xiaokang Liu & Sicong Wang & Tao Yao & Shuxin Wang & Manzhou Zhu, 2021. "A reasonable approach for the generation of hollow icosahedral kernels in metal nanoclusters," Nature Communications, Nature, vol. 12(1), pages 1-7, December.

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