Standard

The role of metal–support interaction in Ag/CeO2 catalysts for CO and soot oxidation. / Grabchenko, M. V.; Mamontov, G. V.; Zaikovskii, V. I. и др.

в: Applied Catalysis B: Environmental, Том 260, 118148, 01.2020.

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

Harvard

Grabchenko, MV, Mamontov, GV, Zaikovskii, VI, La Parola, V, Liotta, LF & Vodyankina, OV 2020, 'The role of metal–support interaction in Ag/CeO2 catalysts for CO and soot oxidation', Applied Catalysis B: Environmental, Том. 260, 118148. https://doi.org/10.1016/j.apcatb.2019.118148

APA

Grabchenko, M. V., Mamontov, G. V., Zaikovskii, V. I., La Parola, V., Liotta, L. F., & Vodyankina, O. V. (2020). The role of metal–support interaction in Ag/CeO2 catalysts for CO and soot oxidation. Applied Catalysis B: Environmental, 260, [118148]. https://doi.org/10.1016/j.apcatb.2019.118148

Vancouver

Grabchenko MV, Mamontov GV, Zaikovskii VI, La Parola V, Liotta LF, Vodyankina OV. The role of metal–support interaction in Ag/CeO2 catalysts for CO and soot oxidation. Applied Catalysis B: Environmental. 2020 янв.;260:118148. doi: 10.1016/j.apcatb.2019.118148

Author

Grabchenko, M. V. ; Mamontov, G. V. ; Zaikovskii, V. I. и др. / The role of metal–support interaction in Ag/CeO2 catalysts for CO and soot oxidation. в: Applied Catalysis B: Environmental. 2020 ; Том 260.

BibTeX

@article{afefec65d3fa4d2db3b71f3df198fbbb,
title = "The role of metal–support interaction in Ag/CeO2 catalysts for CO and soot oxidation",
abstract = "Ag/CeO2 catalysts with a silver loading of 10 wt.% have been prepared by three different techniques: impregnation, Ag/CeO2 (imp), impregnation of prereduced CeO2, Ag/CeO2 (red-imp), and co-deposition precipitation, Ag-CeO2 (co-DP). The features of the prepared composites have been studied by low-temperature N2 sorption, TGA, XRF, TPR-H2, TEM HR, XPS and Raman spectroscopy. The Raman and XPS results show that the addition of silver to CeO2 significantly increases the defectiveness of CeO2 particles, and such an effect is a function of the preparation method. The Ag-CeO2 (co-DP) and Ag/CeO2 (red-imp) catalysts show enhanced interfacial Ag–CeO2 interaction caused by the epitaxial growth of silver particles (d111 = 2.35 {\AA}) on the CeO2 surface (d111 = 3.1 {\AA}) as well as high amount of oxygen vacancies. A morphology-dependent interplay between the oxygen vacancies and the strength of the Ag–CeO2 interaction has been revealed. Strengthening of the metal–support interaction enhances the catalytic activity of the composites in both CO oxidation and soot combustion.",
keywords = "Ag/CeO, CO oxidation, Epitaxial growth of silver particles, Metal–support interaction, Soot combustion, Ag/CeO2, PROBING DEFECT SITES, MIXED OXIDES, NANOSTRUCTURED CERIA, LOW-TEMPERATURE, AG/SIO2 CATALYSTS, STORAGE CAPACITY, SURFACE OXYGEN VACANCIES, BULK OXYGEN, Metal-support interaction, CERIUM OXIDE, DIFFERENT MORPHOLOGIES",
author = "Grabchenko, {M. V.} and Mamontov, {G. V.} and Zaikovskii, {V. I.} and {La Parola}, V. and Liotta, {L. F.} and Vodyankina, {O. V.}",
note = "Funding Information: This work was supported by Russian Science Foundation (Grant № 18-73-10109 ) and “The Tomsk State University competitiveness improvement programme” (Project № 8.2.03.2018 ). Publisher Copyright: {\textcopyright} 2019 Elsevier B.V. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.",
year = "2020",
month = jan,
doi = "10.1016/j.apcatb.2019.118148",
language = "English",
volume = "260",
journal = "Applied Catalysis B: Environmental",
issn = "0926-3373",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The role of metal–support interaction in Ag/CeO2 catalysts for CO and soot oxidation

AU - Grabchenko, M. V.

AU - Mamontov, G. V.

AU - Zaikovskii, V. I.

AU - La Parola, V.

AU - Liotta, L. F.

AU - Vodyankina, O. V.

N1 - Funding Information: This work was supported by Russian Science Foundation (Grant № 18-73-10109 ) and “The Tomsk State University competitiveness improvement programme” (Project № 8.2.03.2018 ). Publisher Copyright: © 2019 Elsevier B.V. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.

PY - 2020/1

Y1 - 2020/1

N2 - Ag/CeO2 catalysts with a silver loading of 10 wt.% have been prepared by three different techniques: impregnation, Ag/CeO2 (imp), impregnation of prereduced CeO2, Ag/CeO2 (red-imp), and co-deposition precipitation, Ag-CeO2 (co-DP). The features of the prepared composites have been studied by low-temperature N2 sorption, TGA, XRF, TPR-H2, TEM HR, XPS and Raman spectroscopy. The Raman and XPS results show that the addition of silver to CeO2 significantly increases the defectiveness of CeO2 particles, and such an effect is a function of the preparation method. The Ag-CeO2 (co-DP) and Ag/CeO2 (red-imp) catalysts show enhanced interfacial Ag–CeO2 interaction caused by the epitaxial growth of silver particles (d111 = 2.35 Å) on the CeO2 surface (d111 = 3.1 Å) as well as high amount of oxygen vacancies. A morphology-dependent interplay between the oxygen vacancies and the strength of the Ag–CeO2 interaction has been revealed. Strengthening of the metal–support interaction enhances the catalytic activity of the composites in both CO oxidation and soot combustion.

AB - Ag/CeO2 catalysts with a silver loading of 10 wt.% have been prepared by three different techniques: impregnation, Ag/CeO2 (imp), impregnation of prereduced CeO2, Ag/CeO2 (red-imp), and co-deposition precipitation, Ag-CeO2 (co-DP). The features of the prepared composites have been studied by low-temperature N2 sorption, TGA, XRF, TPR-H2, TEM HR, XPS and Raman spectroscopy. The Raman and XPS results show that the addition of silver to CeO2 significantly increases the defectiveness of CeO2 particles, and such an effect is a function of the preparation method. The Ag-CeO2 (co-DP) and Ag/CeO2 (red-imp) catalysts show enhanced interfacial Ag–CeO2 interaction caused by the epitaxial growth of silver particles (d111 = 2.35 Å) on the CeO2 surface (d111 = 3.1 Å) as well as high amount of oxygen vacancies. A morphology-dependent interplay between the oxygen vacancies and the strength of the Ag–CeO2 interaction has been revealed. Strengthening of the metal–support interaction enhances the catalytic activity of the composites in both CO oxidation and soot combustion.

KW - Ag/CeO

KW - CO oxidation

KW - Epitaxial growth of silver particles

KW - Metal–support interaction

KW - Soot combustion

KW - Ag/CeO2

KW - PROBING DEFECT SITES

KW - MIXED OXIDES

KW - NANOSTRUCTURED CERIA

KW - LOW-TEMPERATURE

KW - AG/SIO2 CATALYSTS

KW - STORAGE CAPACITY

KW - SURFACE OXYGEN VACANCIES

KW - BULK OXYGEN

KW - Metal-support interaction

KW - CERIUM OXIDE

KW - DIFFERENT MORPHOLOGIES

UR - http://www.scopus.com/inward/record.url?scp=85072020161&partnerID=8YFLogxK

U2 - 10.1016/j.apcatb.2019.118148

DO - 10.1016/j.apcatb.2019.118148

M3 - Article

AN - SCOPUS:85072020161

VL - 260

JO - Applied Catalysis B: Environmental

JF - Applied Catalysis B: Environmental

SN - 0926-3373

M1 - 118148

ER -

ID: 23093909