Synthesis, structure, and properties of a Au/MnOx–CeO2 nanocatalyst for low-temperature oxidation of carbon monoxide
- Авторы: Liberman E.Y.1, Naumkin A.V.2, Tsodikov M.V.3, Mikhailichenko A.I.1, Kon’kova T.V.1, Grunskii V.N.1, Kolesnikov V.A.1, Pereyaslavtsev A.Y.4
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Учреждения:
- Mendeleev University of Chemical Technology
- Nesmeyanov Institute of Organoelement Compounds
- Topchiev Institute of Petrochemical Synthesis
- Dukhov All-Russia Research Institute of Automatics
- Выпуск: Том 53, № 4 (2017)
- Страницы: 406-412
- Раздел: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/158205
- DOI: https://doi.org/10.1134/S0020168517040112
- ID: 158205
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Аннотация
We have synthesized Au/MnOx–CeO2 nanocatalysts for the low-temperature oxidation of carbon monoxide. Gold nanoparticles applied by the deposition precipitation (DP) method were used as an active phase. The composition, structure, and textural characteristics of the materials and the charge state of the components of the catalysts were studied using X-ray diffraction, X-ray photoelectron spectroscopy, highresolution transmission electron microscopy, inductively coupled plasma mass spectrometry, and low-temperature nitrogen adsorption measurements. The carbon monoxide concentration in the catalytic oxidation products was determined by gas chromatography. The influence of calcination temperature on the charge state of the components of the surface layer of Au/ MnOx–CeO2 and the catalytic activity of the materials was examined. The catalytic activity of the materials was shown to be determined to a significant degree by the Mn3+, Au3+, and weakly bound oxygen concentrations in the surface layer.
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Об авторах
E. Liberman
Mendeleev University of Chemical Technology
Автор, ответственный за переписку.
Email: el-liberman@mail.ru
Россия, Miusskaya pl. 9, Moscow, 125047
A. Naumkin
Nesmeyanov Institute of Organoelement Compounds
Email: el-liberman@mail.ru
Россия, ul. Vavilova 28, Moscow, 119334
M. Tsodikov
Topchiev Institute of Petrochemical Synthesis
Email: el-liberman@mail.ru
Россия, Leninskii pr. 29, Moscow, 119991
A. Mikhailichenko
Mendeleev University of Chemical Technology
Email: el-liberman@mail.ru
Россия, Miusskaya pl. 9, Moscow, 125047
T. Kon’kova
Mendeleev University of Chemical Technology
Email: el-liberman@mail.ru
Россия, Miusskaya pl. 9, Moscow, 125047
V. Grunskii
Mendeleev University of Chemical Technology
Email: el-liberman@mail.ru
Россия, Miusskaya pl. 9, Moscow, 125047
V. Kolesnikov
Mendeleev University of Chemical Technology
Email: el-liberman@mail.ru
Россия, Miusskaya pl. 9, Moscow, 125047
A. Pereyaslavtsev
Dukhov All-Russia Research Institute of Automatics
Email: el-liberman@mail.ru
Россия, Sushchevskaya ul. 22, Moscow, 127055
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