KAUST DepartmentKAUST Solar Center (KSC)
Physical Sciences and Engineering (PSE) Division
KAUST Catalysis Center (KCC)
Permanent link to this recordhttp://hdl.handle.net/10754/576875
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AbstractSilver 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
PublisherAmerican Chemical Society (ACS)
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