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The activity and thermal stability of RhOx/CeO2 nanocomposites prepared by radio-frequency plasma sputtering. / Kibis, Lidiya S.; Krotova, Alena I.; Zaikovskii, Vladimir I. и др.

в: Surface and Interface Analysis, Том 52, № 12, 12.2020, стр. 818-822.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

Kibis, LS, Krotova, AI, Zaikovskii, VI & Boronin, AI 2020, 'The activity and thermal stability of RhOx/CeO2 nanocomposites prepared by radio-frequency plasma sputtering', Surface and Interface Analysis, Том. 52, № 12, стр. 818-822. https://doi.org/10.1002/sia.6879

APA

Kibis, L. S., Krotova, A. I., Zaikovskii, V. I., & Boronin, A. I. (2020). The activity and thermal stability of RhOx/CeO2 nanocomposites prepared by radio-frequency plasma sputtering. Surface and Interface Analysis, 52(12), 818-822. https://doi.org/10.1002/sia.6879

Vancouver

Kibis LS, Krotova AI, Zaikovskii VI, Boronin AI. The activity and thermal stability of RhOx/CeO2 nanocomposites prepared by radio-frequency plasma sputtering. Surface and Interface Analysis. 2020 дек.;52(12):818-822. doi: 10.1002/sia.6879

Author

Kibis, Lidiya S. ; Krotova, Alena I. ; Zaikovskii, Vladimir I. и др. / The activity and thermal stability of RhOx/CeO2 nanocomposites prepared by radio-frequency plasma sputtering. в: Surface and Interface Analysis. 2020 ; Том 52, № 12. стр. 818-822.

BibTeX

@article{60b6573733d548899d907bc532cc0f1d,
title = "The activity and thermal stability of RhOx/CeO2 nanocomposites prepared by radio-frequency plasma sputtering",
abstract = "The model RhOx/CeO2 systems were prepared by radio-frequency (RF) plasma sputtering of Rh electrode in O2 or Ar/O2 atmosphere. Thermal stability of the systems and their reaction probability towards CO oxidation were studied by X-ray photoelectron spectroscopy. It was shown that the small oxidized Rh nanoparticles on the CeO2 surface (RhOx/CeO2) obtained by RF sputtering in O2 have spectroscopic characteristics close to those of Rh3+ ions highly dispersed in ceria lattice. The RhOx/CeO2 system remains stable upon heating in vacuum at 450°C and shows reactivity towards CO oxidation at T > 200°C. RF sputtering in Ar/O2 atmosphere results in the formation of larger rhodium nanoparticles that are close to Rh2O3 oxide. The Rh2O3/CeO2 system demonstrates lower activity in CO oxidation and cannot be reduced at a temperature below 300°C.",
keywords = "ceria, RF plasma sputtering, rhodium, Rh–CeO interaction, XPS, NO, RHODIUM, CO, Rh-CeO(2)interaction, SUPPORT, REDUCTION, CATALYTIC-PROPERTIES, REACTION PROBABILITY",
author = "Kibis, {Lidiya S.} and Krotova, {Alena I.} and Zaikovskii, {Vladimir I.} and Boronin, {Andrei I.}",
note = "Publisher Copyright: {\textcopyright} 2020 John Wiley & Sons, Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2020",
month = dec,
doi = "10.1002/sia.6879",
language = "English",
volume = "52",
pages = "818--822",
journal = "Surface and Interface Analysis",
issn = "0142-2421",
publisher = "John Wiley and Sons Ltd",
number = "12",

}

RIS

TY - JOUR

T1 - The activity and thermal stability of RhOx/CeO2 nanocomposites prepared by radio-frequency plasma sputtering

AU - Kibis, Lidiya S.

AU - Krotova, Alena I.

AU - Zaikovskii, Vladimir I.

AU - Boronin, Andrei I.

N1 - Publisher Copyright: © 2020 John Wiley & Sons, Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/12

Y1 - 2020/12

N2 - The model RhOx/CeO2 systems were prepared by radio-frequency (RF) plasma sputtering of Rh electrode in O2 or Ar/O2 atmosphere. Thermal stability of the systems and their reaction probability towards CO oxidation were studied by X-ray photoelectron spectroscopy. It was shown that the small oxidized Rh nanoparticles on the CeO2 surface (RhOx/CeO2) obtained by RF sputtering in O2 have spectroscopic characteristics close to those of Rh3+ ions highly dispersed in ceria lattice. The RhOx/CeO2 system remains stable upon heating in vacuum at 450°C and shows reactivity towards CO oxidation at T > 200°C. RF sputtering in Ar/O2 atmosphere results in the formation of larger rhodium nanoparticles that are close to Rh2O3 oxide. The Rh2O3/CeO2 system demonstrates lower activity in CO oxidation and cannot be reduced at a temperature below 300°C.

AB - The model RhOx/CeO2 systems were prepared by radio-frequency (RF) plasma sputtering of Rh electrode in O2 or Ar/O2 atmosphere. Thermal stability of the systems and their reaction probability towards CO oxidation were studied by X-ray photoelectron spectroscopy. It was shown that the small oxidized Rh nanoparticles on the CeO2 surface (RhOx/CeO2) obtained by RF sputtering in O2 have spectroscopic characteristics close to those of Rh3+ ions highly dispersed in ceria lattice. The RhOx/CeO2 system remains stable upon heating in vacuum at 450°C and shows reactivity towards CO oxidation at T > 200°C. RF sputtering in Ar/O2 atmosphere results in the formation of larger rhodium nanoparticles that are close to Rh2O3 oxide. The Rh2O3/CeO2 system demonstrates lower activity in CO oxidation and cannot be reduced at a temperature below 300°C.

KW - ceria

KW - RF plasma sputtering

KW - rhodium

KW - Rh–CeO interaction

KW - XPS

KW - NO

KW - RHODIUM

KW - CO

KW - Rh-CeO(2)interaction

KW - SUPPORT

KW - REDUCTION

KW - CATALYTIC-PROPERTIES

KW - REACTION PROBABILITY

UR - http://www.scopus.com/inward/record.url?scp=85091480879&partnerID=8YFLogxK

U2 - 10.1002/sia.6879

DO - 10.1002/sia.6879

M3 - Article

AN - SCOPUS:85091480879

VL - 52

SP - 818

EP - 822

JO - Surface and Interface Analysis

JF - Surface and Interface Analysis

SN - 0142-2421

IS - 12

ER -

ID: 25373183