Cu and Co-modified SrTiO3 as materials for environmental applications

Łącz, A.; Gwóźdź, P.; Mizera, A.; Górecka, S.; Pacultová, K.; Obalová, L.; Górecki, K.; Piech, R.; Kramek, A.; Drożdż, E.

doi:10.1016/j.surfin.2023.103672

Surfaces and Interfaces

2024

DOI: 10.1016/j.surfin.2023.103672

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Cu and Co-modified SrTiO3 as materials for environmental applications

A. Łącz,

P. Gwóźdź,

A. Mizera

et al.

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Cited by 2 publications

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Unravelling cobalt incorporation in Ca- and Sr-rich perovskites: How symmetry shapes the phases

Gwóźdź,

Maximenko,

Łącz

et al. 2025

Materials Chemistry and Physics

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Unravelling cobalt incorporation in Ca- and Sr-rich perovskites: How symmetry shapes the phases

Gwóźdź,

Maximenko,

Łącz

et al. 2025

Materials Chemistry and Physics

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Aspects of Fe-Incorporation into CaTiO3-SrTiO3 Perovskites and Their Catalytic Application for Ammonia SCO/SCR

Gwóźdź,

Łącz,

Górecka

et al. 2024

Molecules

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Perovskite materials in the CaTiO3-SrTiO3 system doped with different amounts of iron (1, 2 and 5 mol.%) and various Ca/Sr ratios were prepared by the modified citrate method. Additionally, the materials with 0.05 deficiency in strontium/calcium sublattice and 5 mol.% of Fe were also synthesised. The materials were subjected to structural (XRD, XANES) and microstructural (SEM) characterisation, as well as the analysis of susceptibility to reduction/oxidation processes. The structural analysis indicates a lack of iron-containing phases; thus, an incorporation of Fe into the perovskite structure was postulated. Additionally, the oxidation state of iron in the perovskite structure changes with the dopant amount. The temperature-programmed reduction measurements showed partial reversibility of the reduction processes. For the materials with the highest iron amount, the catalytic tests in NH3-SCO and NH3-SCR reactions were carried out. The materials showed high catalytic activity and high selectivity to N2 in the NH3-SCR process; however, they were inactive in NH3-SCO.

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Cu and Co-modified SrTiO3 as materials for environmental applications

Cited by 2 publications

References 47 publications

Unravelling cobalt incorporation in Ca- and Sr-rich perovskites: How symmetry shapes the phases

Unravelling cobalt incorporation in Ca- and Sr-rich perovskites: How symmetry shapes the phases

Aspects of Fe-Incorporation into CaTiO3-SrTiO3 Perovskites and Their Catalytic Application for Ammonia SCO/SCR

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