Size-dependent reactivity of nickel-doped silver cluster cations toward oxygen: Electronic and geometric effects

Shun Sarugaku, Ryohei Murakami, Jumpei Matsumoto, Tomoki Kawano, Masashi Arakawa, Akira Terasaki

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Abstract

Size-dependent reaction of nickel-doped silver cluster cations (AgN11Ni+: N = 514) was investigated for oxygen as the reactant molecule. A dramatic drop in the reactivity observed for N2 9 is attributed to the encapsulation of the nickel atom, i.e., screening the active site at larger sizes. The reactivity minimum observed at N = 10 is ascribed to the closed electronic shell of Ag9Ni+ formed by 18 valence electrons from Ag5s, Ni4s, and Ni3d, suggesting delocalized d electrons.

Original languageEnglish
Pages (from-to)385-388
Number of pages4
JournalChemistry Letters
Volume46
Issue number3
DOIs
Publication statusPublished - Jan 1 2017

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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