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Structural isomerism in gold nanoparticles revealed by X-ray crystallography

Author

Listed:
  • Shubo Tian

    (Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences)

  • Yi-Zhi Li

    (State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University)

  • Man-Bo Li

    (Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences)

  • Jinyun Yuan

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Jinlong Yang

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Zhikun Wu

    (Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences)

  • Rongchao Jin

    (Carnegie Mellon University)

Abstract

Revealing structural isomerism in nanoparticles using single-crystal X-ray crystallography remains a largely unresolved task, although it has been theoretically predicted with some experimental clues. Here we report a pair of structural isomers, Au38T and Au38Q, as evidenced using electrospray ionization mass spectrometry, X-ray photoelectron spectroscopy, thermogravimetric analysis and indisputable single-crystal X-ray crystallography. The two isomers show different optical and catalytic properties, and differences in stability. In addition, the less stable Au38T can be irreversibly transformed to the more stable Au38Q at 50 °C in toluene. This work may represent an important advance in revealing structural isomerism at the nanoscale.

Suggested Citation

  • Shubo Tian & Yi-Zhi Li & Man-Bo Li & Jinyun Yuan & Jinlong Yang & Zhikun Wu & Rongchao Jin, 2015. "Structural isomerism in gold nanoparticles revealed by X-ray crystallography," Nature Communications, Nature, vol. 6(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9667
    DOI: 10.1038/ncomms9667
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    Cited by:

    1. Xue-Xin Li & Cai-Hong Li & Ming-Jun Hou & Bo Zhu & Wei-Chao Chen & Chun-Yi Sun & Ye Yuan & Wei Guan & Chao Qin & Kui-Zhan Shao & Xin-Long Wang & Zhong-Min Su, 2023. "Ce-mediated molecular tailoring on gigantic polyoxometalate {Mo132} into half-closed {Ce11Mo96} for high proton conduction," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Haohua Deng & Kaiyuan Huang & Lingfang Xiu & Weiming Sun & Qiaofeng Yao & Xiangyu Fang & Xin Huang & Hamada A. A. Noreldeen & Huaping Peng & Jianping Xie & Wei Chen, 2022. "Bis-Schiff base linkage-triggered highly bright luminescence of gold nanoclusters in aqueous solution at the single-cluster level," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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