ChemInform Abstract: THE CRYSTAL AND MOLECULAR STRUCTURE OF SILVER(I) N,N‐DIETHYLDITHIOCARBAMATE

Yamaguchi, Hiroko; Kido, Azuma; Uechi, Tetsuo; Yasukouchi, Kazuo

doi:10.1002/chin.197634065

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The Journal Of Physical Chemistry C1

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2018

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“…53 The spectrum of Ag 29 resembles somewhat that of the Ag(I)-thio and Ag 2 S, in particular the former. The structure of Ag(I)-thio has been shown to consist of bridged hexameric units [AgS 2 CN-(C 2 H 5 ) 2 ] 6 where each Ag atom is connected to either 1 Ag and 4 S or 2 Ag and 3 S. 54 It is thus not unreasonable to compare this to the surface atoms of the Ag clusters. We further observe that the strong whiteline of AgNO 3 does not appear in the Ag 29 spectrum.…”

Section: The Journal Of Physical Chemistry Cmentioning

confidence: 99%

Insights into the Synthesis Mechanism of Ag₂₉ Nanoclusters

et al. 2018

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The current understanding of the synthesis mechanisms of noble metal clusters is limited, in particular for Ag clusters. Here, we present a detailed investigation into the synthesis process of atomically monodisperse Ag29 clusters, prepared via reduction of AgNO3 in the presence of dithiolate ligands. Using optical spectroscopy, mass spectrometry, and X-ray spectroscopy, it was determined that the synthesis involves a rapid nucleation and growth to species with up to a few hundred Ag atoms. From these larger species, Ag29 clusters are formed and their concentration increases steadily over time. Oxygen plays an important role in the etching of large particles to Ag29. No other stable Ag cluster species are observed at any point during the synthesis.

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Section: The Journal Of Physical Chemistry Cmentioning

confidence: 99%