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Atomic structure of a seed-sized gold nanoprism

Author

Listed:
  • Yongbo Song

    (Anhui University
    Anhui Medical University)

  • Yingwei Li

    (Carnegie Mellon University)

  • Meng Zhou

    (University of Science and Technology of China)

  • Hao Li

    (Anhui University)

  • Tingting Xu

    (Anhui Medical University)

  • Chuanjun Zhou

    (Anhui University)

  • Feng Ke

    (Anhui University)

  • Dayujia Huo

    (Beijing Normal University)

  • Yan Wan

    (Beijing Normal University)

  • Jialong Jie

    (Beijing Normal University)

  • Wen Wu Xu

    (Ningbo University)

  • Manzhou Zhu

    (Anhui University)

  • Rongchao Jin

    (Carnegie Mellon University)

Abstract

The growth of nanoparticles along one or two directions leads to anisotropic nanoparticles, but the nucleation (i.e., the formation of small seeds of specific shape) has long been elusive. Here, we show the total structure of a seed-sized Au56 nanoprism, in which the side Au{100} facets are surrounded by bridging thiolates, whereas the top/bottom {111} facets are capped by phosphine ligands at the corners and Br− at the center. The bromide has been proved to be the key to effectively stabilize the Au{111} to fulfill a complete face-centered-cubic core. In femtosecond electron dynamics analysis, the non-evolution of transient absorption spectra of Au56 is similar to that of larger-sized gold nanoclusters (n > 100), which is ascribed to the completeness of the prismatic Au56 core and an effective electron relaxation pathway created by the stronger Au-Au bonds inside. This work provides some insights for the understanding of plasmonic nanoprism formation.

Suggested Citation

  • Yongbo Song & Yingwei Li & Meng Zhou & Hao Li & Tingting Xu & Chuanjun Zhou & Feng Ke & Dayujia Huo & Yan Wan & Jialong Jie & Wen Wu Xu & Manzhou Zhu & Rongchao Jin, 2022. "Atomic structure of a seed-sized gold nanoprism," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-28829-0
    DOI: 10.1038/s41467-022-28829-0
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    References listed on IDEAS

    as
    1. Rongchao Jin & Y. Charles Cao & Encai Hao & Gabriella S. Métraux & George C. Schatz & Chad A. Mirkin, 2003. "Controlling anisotropic nanoparticle growth through plasmon excitation," Nature, Nature, vol. 425(6957), pages 487-490, October.
    2. Yingwei Li & Meng Zhou & Yongbo Song & Tatsuya Higaki & He Wang & Rongchao Jin, 2021. "Double-helical assembly of heterodimeric nanoclusters into supercrystals," Nature, Nature, vol. 594(7863), pages 380-384, June.
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    Cited by:

    1. Liang Qiao & Nia Pollard & Ravithree D. Senanayake & Zhi Yang & Minjung Kim & Arzeena S. Ali & Minh Tam Hoang & Nan Yao & Yimo Han & Rigoberto Hernandez & Andre Z. Clayborne & Matthew R. Jones, 2023. "Atomically precise nanoclusters predominantly seed gold nanoparticle syntheses," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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