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LaMn1-xFexO3 (x=0-1) Perovskites in Methane and Carbon Monoxide Oxidation Reactions Full article

Journal Kinetics and Catalysis
ISSN: 0023-1584 , E-ISSN: 1608-3210
Output data Year: 2021, Volume: 62, Number: 1, Pages: 146-154 Pages count : 9 DOI: 10.1134/S0023158421010043
Tags perovskites, LaMn1 – xFexO3, methane and CO oxidation
Authors Isupova L.A. 1 , Gerasimov E.Yu. 1 , Prosvirin I.P. 1
Affiliations
1 Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences

Funding (1)

1 Ministry of Science and Higher Education of the Russian Federation ГЗ-2017-2020

Abstract: The LaMn1 – xFexO3 (х = 0–1) perovskites were prepared by the Pechini route and characterized by X-ray diffraction analysis, HR TEM, XPS, and BET. Their catalytic activity was investigated in methane and CO oxidation reactions. According to X-ray analysis data, the samples with х < 0.4 were orthorhombic and the samples with х > 0.4 were rhombohedral. In the sample with х = 0.4, both of the modifications were present due to a morphotropic phase transformation at х ≈ 0.4. All of the substituted perovskites were characterized with higher specific surface areas and lower normalized catalytic activity in methane and CO oxidations as compared with unsubstituted ones due to surface enrichment with La compounds. The samples with х = 0.6 and 0.8 demonstrated the lowest activity and stability in the catalytic oxidation of methane, which can be due to the accumulation of carbonates and carbon on the surface in the course of methane oxidation and the additional formation of locally ordered structure regions on the surface.
Cite: Isupova L.A. , Gerasimov E.Y. , Prosvirin I.P.
LaMn1-xFexO3 (x=0-1) Perovskites in Methane and Carbon Monoxide Oxidation Reactions
Kinetics and Catalysis. 2021. V.62. N1. P.146-154. DOI: 10.1134/S0023158421010043 WOS Scopus РИНЦ ANCAN OpenAlex
Original: Исупова Л.А. , Герасимов Е.Ю. , Просвирин И.П.
Перовскиты LaMn1 – xFexO3 (x = 0–1) в реакциях окисления метана и СО
Кинетика и катализ. 2021. Т.62. №1. С.77-86. DOI: 10.31857/S0453881121010044 РИНЦ OpenAlex
Dates:
Submitted: Mar 24, 2020
Accepted: Aug 31, 2020
Published print: Jan 1, 2021
Published online: Mar 3, 2021
Identifiers:
Web of science: WOS:000625135300016
Scopus: 2-s2.0-85102125394
Elibrary: 46805644
Chemical Abstracts: 2021:567121
Chemical Abstracts (print): 174:917543
OpenAlex: W3157679339
Citing:
DB Citing
Scopus 4
Web of science 4
Elibrary 4
OpenAlex 4
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