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Formation of Surface Platinum Oxides in the Interaction of the Pt/Sibunit Catalysts with NO2 : Estimates of the Width of Oxide Shell from XPS Data. / Smirnov, M. Yu; Vovk, E. I.; Kalinkin, A. V. et al.

In: Kinetics and Catalysis, Vol. 59, No. 5, 01.09.2018, p. 663-671.

Research output: Contribution to journal › Article › peer-review

Harvard

Smirnov, MY, Vovk, EI, Kalinkin, AV, Simonov, PA, Gerasimov, EY & Bukhtiyarov, VI 2018, 'Formation of Surface Platinum Oxides in the Interaction of the Pt/Sibunit Catalysts with NO2: Estimates of the Width of Oxide Shell from XPS Data', Kinetics and Catalysis, vol. 59, no. 5, pp. 663-671. https://doi.org/10.1134/S0023158418050130

APA

Smirnov, M. Y., Vovk, E. I., Kalinkin, A. V., Simonov, P. A., Gerasimov, E. Y., & Bukhtiyarov, V. I. (2018). Formation of Surface Platinum Oxides in the Interaction of the Pt/Sibunit Catalysts with NO2: Estimates of the Width of Oxide Shell from XPS Data. Kinetics and Catalysis, 59(5), 663-671. https://doi.org/10.1134/S0023158418050130

Vancouver

Smirnov MY, Vovk EI, Kalinkin AV, Simonov PA, Gerasimov EY, Bukhtiyarov VI. Formation of Surface Platinum Oxides in the Interaction of the Pt/Sibunit Catalysts with NO2: Estimates of the Width of Oxide Shell from XPS Data. Kinetics and Catalysis. 2018 Sept 1;59(5):663-671. doi: 10.1134/S0023158418050130

Author

Smirnov, M. Yu ; Vovk, E. I. ; Kalinkin, A. V. et al. / Formation of Surface Platinum Oxides in the Interaction of the Pt/Sibunit Catalysts with NO2 : Estimates of the Width of Oxide Shell from XPS Data. In: Kinetics and Catalysis. 2018 ; Vol. 59, No. 5. pp. 663-671.

BibTeX

@article{055a235ca8df4401b2a23453eec83b23,
title = "Formation of Surface Platinum Oxides in the Interaction of the Pt/Sibunit Catalysts with NO2: Estimates of the Width of Oxide Shell from XPS Data",
abstract = "The method of X-ray photoelectron spectroscopy (XPS) using two types of radiation, nonmonochromatic AlKα (hν = 1486.6 eV) and monochromatic AgLα (hν = 2984.3 eV), was used to study the interaction of the Pt/C (C = Sibunit) catalysts with NO2, which occurs in the preparation chamber of an XPS spectrometer at room temperature and NO2 pressure, equal to 3 × 10–6 mbar. It was found that, under these conditions, platinum was partially oxidized and metallic core becomes covered with a shell formed by a mixture of PtO and PtO2 oxides. The ratio of intensities Pt4f and Pt3d5/2 belonging to platinum oxides to the corresponding intensities of metallic platinum was used to estimate the width of oxide shell. For two of the three studied Pt/C samples, the width of the shell was 0.15–0.3 nm, which approximately corresponds to one monolayer of platinum oxide with a stoichiometry of PtO or PtO2.",
keywords = "core–shell structure, nitrogen dioxide, platinum, Sibunit, XPS, THERMAL-STABILITY, IN-SITU OXIDATION, SIZE, STATE, PT/C CATALYSTS, CO OXIDATION, OXYGEN, NANOPARTICLES, SUPPORT, core-shell structure, NITROGEN-DIOXIDE",
author = "Smirnov, {M. Yu} and Vovk, {E. I.} and Kalinkin, {A. V.} and Simonov, {P. A.} and Gerasimov, {E. Yu} and Bukhtiyarov, {V. I.}",
note = "Publisher Copyright: {\textcopyright} 2018, Pleiades Publishing, Ltd.",
year = "2018",
month = sep,
day = "1",
doi = "10.1134/S0023158418050130",
language = "English",
volume = "59",
pages = "663--671",
journal = "Kinetics and Catalysis",
issn = "0023-1584",
publisher = "Maik Nauka-Interperiodica Publishing",
number = "5",

}

RIS

TY - JOUR

T1 - Formation of Surface Platinum Oxides in the Interaction of the Pt/Sibunit Catalysts with NO2

T2 - Estimates of the Width of Oxide Shell from XPS Data

AU - Smirnov, M. Yu

AU - Vovk, E. I.

AU - Kalinkin, A. V.

AU - Simonov, P. A.

AU - Gerasimov, E. Yu

AU - Bukhtiyarov, V. I.

N1 - Publisher Copyright: © 2018, Pleiades Publishing, Ltd.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - The method of X-ray photoelectron spectroscopy (XPS) using two types of radiation, nonmonochromatic AlKα (hν = 1486.6 eV) and monochromatic AgLα (hν = 2984.3 eV), was used to study the interaction of the Pt/C (C = Sibunit) catalysts with NO2, which occurs in the preparation chamber of an XPS spectrometer at room temperature and NO2 pressure, equal to 3 × 10–6 mbar. It was found that, under these conditions, platinum was partially oxidized and metallic core becomes covered with a shell formed by a mixture of PtO and PtO2 oxides. The ratio of intensities Pt4f and Pt3d5/2 belonging to platinum oxides to the corresponding intensities of metallic platinum was used to estimate the width of oxide shell. For two of the three studied Pt/C samples, the width of the shell was 0.15–0.3 nm, which approximately corresponds to one monolayer of platinum oxide with a stoichiometry of PtO or PtO2.

AB - The method of X-ray photoelectron spectroscopy (XPS) using two types of radiation, nonmonochromatic AlKα (hν = 1486.6 eV) and monochromatic AgLα (hν = 2984.3 eV), was used to study the interaction of the Pt/C (C = Sibunit) catalysts with NO2, which occurs in the preparation chamber of an XPS spectrometer at room temperature and NO2 pressure, equal to 3 × 10–6 mbar. It was found that, under these conditions, platinum was partially oxidized and metallic core becomes covered with a shell formed by a mixture of PtO and PtO2 oxides. The ratio of intensities Pt4f and Pt3d5/2 belonging to platinum oxides to the corresponding intensities of metallic platinum was used to estimate the width of oxide shell. For two of the three studied Pt/C samples, the width of the shell was 0.15–0.3 nm, which approximately corresponds to one monolayer of platinum oxide with a stoichiometry of PtO or PtO2.

KW - core–shell structure

KW - nitrogen dioxide

KW - platinum

KW - Sibunit

KW - XPS

KW - THERMAL-STABILITY

KW - IN-SITU OXIDATION

KW - SIZE

KW - STATE

KW - PT/C CATALYSTS

KW - CO OXIDATION

KW - OXYGEN

KW - NANOPARTICLES

KW - SUPPORT

KW - core-shell structure

KW - NITROGEN-DIOXIDE

UR - http://www.scopus.com/inward/record.url?scp=85053827825&partnerID=8YFLogxK

U2 - 10.1134/S0023158418050130

DO - 10.1134/S0023158418050130

M3 - Article

AN - SCOPUS:85053827825

VL - 59

SP - 663

EP - 671

JO - Kinetics and Catalysis

JF - Kinetics and Catalysis

SN - 0023-1584

IS - 5

ER -

ID: 16702811