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Diffuse reflectance electron spectroscopic study of the state of silver clusters on SiO2

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Abstract

After treating supported, highly dispersed silver catalysts with a solution of HNO3, silver particles characterized by a band at 320 nm have been isolated. These particles are presamably <1 nm silver clusters, which are insoluble in HNO3 but are oxidized in air.

Abstract

С помощью обработки раствором HNO3 нанесенных высокодисперсных серебряных катализаторов выделены частицы серебра, характеризующиеся полосой поглощения 320 нм. По мнению авторов, этими частицами являются серебряные кластеры размером менее 1 нм, обладающие свойством не растворяться в HNO3, но окисляться на воздухе.

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Authors and Affiliations

  1. Institute of Catalysis, 630090, Novosibirsk, USSR

    N. E. Bogdanchikova, A. A. Davydov & V. F. Anufrienko

  2. Institute of Thermophysics, 630090, Novosibirsk, USSR

    M. N. Dulin

Authors
  1. N. E. Bogdanchikova
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  2. M. N. Dulin
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  3. A. A. Davydov
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  4. V. F. Anufrienko
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Bogdanchikova, N.E., Dulin, M.N., Davydov, A.A. et al. Diffuse reflectance electron spectroscopic study of the state of silver clusters on SiO2 . React Kinet Catal Lett 41, 73–78 (1990). https://doi.org/10.1007/BF02075484

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  • DOI: https://doi.org/10.1007/BF02075484

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