The influence of the catalytic oxidation of methane on the La0.5Ca0.5Mn1-xFexO3 perovskite structure

Evgeny Gerasimov, Olga Nikolaeva, Nina Kulikovskaya, Anna Detsel

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Abstract

Solid solutions La0.5Ca0.5Mn1-xFexO3 synthesized by the method of polymer-salt compositions at a temperature of 900 °C with the perovskite structure were tested in the methane oxidation reaction. It was shown that at 600 °C, complete conversion of methane occurs for all compositions, however, the nature of the dependence of the degree of conversion for lower temperatures is not linear and depends on the chemical composition. The formation of planar defects in the direction of crystallographic planes (101) in the perovskite structure at the stage of the synthesis of solid solutions and the appearance of nanoparticles of Ca-Mn oxides on the surface of perovskite after participation after reaction were shown by the HRTEM method.

Original languageEnglish
Title of host publicationNANOCON 2019 - Conference Proceedings, 11th International Conference on Nanomaterials - Research and Application
PublisherTANGER LTD
Pages150-156
Number of pages7
ISBN (Electronic)9788087294956
DOIs
Publication statusPublished - 2020
Event11th International Conference on Nanomaterials - Research and Application, NANOCON 2019 - Brno, Czech Republic
Duration: 16 Oct 201918 Oct 2019

Publication series

NameNANOCON Conference Proceedings - International Conference on Nanomaterials
Volume2020-October
ISSN (Print)2694-930X

Conference

Conference11th International Conference on Nanomaterials - Research and Application, NANOCON 2019
Country/TerritoryCzech Republic
CityBrno
Period16.10.201918.10.2019

Keywords

  • HRTEM
  • Methane combustion
  • Nanoparticles
  • Perovskite
  • Planar defects

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