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Interdependence between nanoclusters AuAg24 and Au2Ag41

Author

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  • Danyu Liu

    (Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University
    Anhui University, Ministry of Education)

  • Wenjun Du

    (Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University
    Anhui University, Ministry of Education)

  • Shuang Chen

    (Anhui University)

  • Xi Kang

    (Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University
    Anhui University, Ministry of Education)

  • Along Chen

    (Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University
    Anhui University, Ministry of Education)

  • Yaru Zhen

    (Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University
    Anhui University, Ministry of Education)

  • Shan Jin

    (Anhui University)

  • Daqiao Hu

    (Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University
    Anhui University, Ministry of Education)

  • Shuxin Wang

    (Anhui University, Ministry of Education
    Qingdao University of Science and Technology)

  • Manzhou Zhu

    (Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University
    Anhui University, Ministry of Education
    Anhui University)

Abstract

Whole series of nanoparticles have now been reported, but probing the competing or coexisting effects in their synthesis and growth remains challenging. Here, we report a bi-nanocluster system comprising two ultra-small, atomically precise nanoclusters, AuAg24(SR)18− and Au2Ag41(SR)26(Dppm)2+ (SR = cyclohexyl mercaptan, Dppm = bis(diphenylphosphino)-methane). The mechanism by which these two nanoclusters coexist is elucidated, and found to entail formation of the unstable AuAg24(SR)18−, followed by its partial conversion to Au2Ag41(SR)26(Dppm)2+ in the presence of di-phosphorus ligands, and an interdependent bi-nanocluster system is established, wherein the two oppositely charged nanoclusters protect each other from decomposition. AuAg24(SR)18 and Au2Ag41(SR)26(Dppm)2 are fully characterized by single crystal X-ray diffraction (SC-XRD) analysis – it is found that their co-crystallization results in single crystals comprising equimolar amounts of each. The findings highlight the interdependent relationship between two individual nanoclusters, which paves the way for new perspectives on nanocluster formation and stability.

Suggested Citation

  • Danyu Liu & Wenjun Du & Shuang Chen & Xi Kang & Along Chen & Yaru Zhen & Shan Jin & Daqiao Hu & Shuxin Wang & Manzhou Zhu, 2021. "Interdependence between nanoclusters AuAg24 and Au2Ag41," Nature Communications, Nature, vol. 12(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21131-5
    DOI: 10.1038/s41467-021-21131-5
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