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    [Ag25(SR)18]¯: The ‘Golden’ Silver Nanoparticle

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    jacs2E5b07088.pdf
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    Type
    Article
    Authors
    Joshi, Chakra Prasad
    Bootharaju, Megalamane Siddaramappa cc
    Alhilaly, Mohammad Jaber cc
    Bakr, Osman cc
    KAUST Department
    Functional Nanomaterials Lab (FuNL)
    KAUST Catalysis Center (KCC)
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2015-09-08
    Online Publication Date
    2015-09-08
    Print Publication Date
    2015-09-16
    Permanent link to this record
    http://hdl.handle.net/10754/576875
    
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    Abstract
    Silver nanoparticles with an atomically precise molecular formula [Ag25(SR)18]¯ (‒SR: thiolate) are synthesized and their single-crystal structure is determined. This synthesized nanocluster is the only silver nanoparticle that has a virtually identical analogue in gold, i.e., [Au25(SR)18]¯, in terms of number of metal atoms, ligand count, super-atom electronic configuration, and atomic arrangement. Furthermore, both [Ag25(SR)18]¯ and its gold analogue share a number of features in their optical absorption spectra. This unprecedented molecular synthesis in silver to mimic gold offers the first model nanoparticle platform to investigate the centuries-old problem of understanding the fundamental differences between silver and gold in terms of nobility, catalytic activity, and optical property.
    Citation
    [Ag25(SR)18]¯: The ‘Golden’ Silver Nanoparticle 2015:150831131334006 Journal of the American Chemical Society
    Publisher
    American Chemical Society (ACS)
    Journal
    Journal of the American Chemical Society
    DOI
    10.1021/jacs.5b07088
    PubMed ID
    26322865
    Additional Links
    http://pubs.acs.org/doi/10.1021/jacs.5b07088
    Relations
    Is Supplemented By:
    • [Dataset]
      Joshi, C. P., Bootharaju, M. S., Alhilaly, M. J., & Bakr, O. M. (2015). CCDC 1428877: Experimental Crystal Structure Determination [Data set]. Cambridge Crystallographic Data Centre. https://doi.org/10.5517/cc1jyvt4. DOI: 10.5517/cc1jyvt4 HANDLE: 10754/624474
    ae974a485f413a2113503eed53cd6c53
    10.1021/jacs.5b07088
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)

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