Size Effect in Silver Oxidation By Nitrogen Dioxide


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X-ray photoelectron spectroscopy is applied to study at room temperature and pressure of 10–5 Torr the interaction of NO2 with a model sample obtained by thermal deposition of silver on the graphite surface. Scanning tunneling microscopy shows that in this case, silver particles with a size of D = 4–11 nm are formed on the surface. For comparison, polycrystalline silver foil is studied under similar conditions. It is found that such a treatment leads to silver oxidation in the Ag/C sample while the foil remains unchanged under these conditions.

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Sobre autores

A. Kalinkin

Boreskov Institute of Catalysis, Siberian Branch

Autor responsável pela correspondência
Email: avkalinkin@mail.ru
Rússia, Novosibirsk

M. Smirnov

Boreskov Institute of Catalysis, Siberian Branch

Email: avkalinkin@mail.ru
Rússia, Novosibirsk

I. Klembovskii

Novosibirsk State University

Email: avkalinkin@mail.ru
Rússia, Novosibirsk

A. Sorokin

Boreskov Institute of Catalysis, Siberian Branch

Email: avkalinkin@mail.ru
Rússia, Novosibirsk

A. Gladky

Boreskov Institute of Catalysis, Siberian Branch

Email: avkalinkin@mail.ru
Rússia, Novosibirsk

V. Bukhtiyarov

Boreskov Institute of Catalysis, Siberian Branch; Novosibirsk State University

Email: avkalinkin@mail.ru
Rússia, Novosibirsk; Novosibirsk

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