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Spectroscopic Investigation of Iron Substitution in EuCoO3: Related Impact on the Catalytic Properties in the High-Temperature N2O Decomposition

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Université Lille Nord de France, Unité de Catalyse et de Chimie du Solide (UCCS), CNRS UMR 8181, Cité Scientifique, Bâtiment C3, 59655 Villeneuve d’Ascq, France
Department of Organic Chemistry, Biochemistry and Catalysis, University of Bucharest, 4-12 Regina Elisabeta Boulevard, Bucharest 030016, Romania
§ National Institute of Materials Physics, P.O. Box MG 7, Bucharest-Magurele 077125, Romania
*Tel: +33 320 434 938. Fax: +33 320 436 561. E-mail: [email protected]
Cite this: J. Phys. Chem. C 2013, 117, 27, 13989–13999
Publication Date (Web):June 10, 2013
https://doi.org/10.1021/jp402211c
Copyright © 2013 American Chemical Society

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    Abstract

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    This study is dedicated to a combined spectroscopic approach for investigating bulk versus surface reconstructions that originated during high-temperature catalytic applications on EuCo1–xFexO3 and to their related impact on the catalytic properties. By way of illustration, the decomposition of nitrous oxide (N2O) has been selected as a case study achieved in complex feed gas composition in the presence of NOx and water vapor, which can speed up surface and bulk modifications at 900 °C with related impact on the reactivity of N-containing species. Particular attention was paid to the appearance of Co2+ species in different stages of the preparation, especially after reaction. While XPS cannot discriminate the nature of those species without any ambiguity, the combination of Mössbauer and photoluminescence spectroscopy can help in understanding changes in the local environment of europium, iron, and cobalt. The impact of those surface changes on the kinetic parameters of the decomposition of N2O has been examined.

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    Additional photoluminescence (PL) measurements on LaCoO3 and LaFeO3. This material is available free of charge via the Internet at http://pubs.acs.org.

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    2. Sourav Chowdhury, Anupam Jana, Manik Kuila, Varimalla R. Reddy, Ram J. Choudhary, Deodatta M. Phase. Negative Charge-Transfer Energy in SrCoO2.5 Thin Films: An Interplay between O-2p Hole Density, Charge-Transfer Energy, Charge Disproportionation, and Ferromagnetic Ordering. ACS Applied Electronic Materials 2020, 2 (12) , 3859-3870. https://doi.org/10.1021/acsaelm.0c00698
    3. Junjiang Zhu, Hailong Li, Linyun Zhong, Ping Xiao, Xuelian Xu, Xiangguang Yang, Zhen Zhao, and Jinlin Li . Perovskite Oxides: Preparation, Characterizations, and Applications in Heterogeneous Catalysis. ACS Catalysis 2014, 4 (9) , 2917-2940. https://doi.org/10.1021/cs500606g
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    5. Pinky Yadav, Sangeeta Yadav, Shalu Atri, Ravi Tomar. A Brief Review on Key Role of Perovskite Oxides as Catalyst. ChemistrySelect 2021, 6 (45) , 12947-12959. https://doi.org/10.1002/slct.202102292
    6. V. Sydorchuk, I. Lutsyuk, V. Shved, V. Hreb, A. Kondyr, O. Zakutevskyy, L. Vasylechko. PrCo1−xFexO3 perovskite powders for possible photocatalytic applications. Research on Chemical Intermediates 2020, 46 (3) , 1909-1930. https://doi.org/10.1007/s11164-019-04071-0
    7. S. A. Kulyukhin, I. A. Rumer, M. P. Gorbacheva, A. A. Bessonov. Catalytic Decomposition of N2O in Air Flows of Gas-Purification Systems in Radiochemical Industries. Radiochemistry 2020, 62 (2) , 177-188. https://doi.org/10.1134/S1066362220020058
    8. Petr Bělina, Galina Sádovská, Veronika Krejčíková, Žaneta Dohnalová, Petra Šulcová. Preparation of LaNiO3 perovskite by oxalate and carbonate precursor method for utilization as catalyst for high-temperature decomposition of N2O. Journal of Thermal Analysis and Calorimetry 2019, 138 (6) , 4197-4202. https://doi.org/10.1007/s10973-019-08596-9
    9. Chuande Huang, Yanyan Zhu, Xiaodong Wang, Xin Liu, Junhu Wang, Tao Zhang. Sn promoted BaFeO3− catalysts for N2O decomposition: Optimization of Fe active centers. Journal of Catalysis 2017, 347 , 9-20. https://doi.org/10.1016/j.jcat.2016.12.020
    10. Olga Pekinchak, Leonid Vasylechko, Iryna Lutsyuk, Yaroslav Vakhula, Yuri Prots, Wilder Carrillo-Cabrera. Sol-Gel-Prepared Nanoparticles of Mixed Praseodymium Cobaltites-Ferrites. Nanoscale Research Letters 2016, 11 (1) https://doi.org/10.1186/s11671-016-1295-y
    11. Olia Pekinchak, Leonid Vasylechko, Vasyl Berezovets, Yurii Prots. Structural Behaviour of EuCoO3 and Mixed Cobaltites-Ferrites EuCo1−xFexO3. Solid State Phenomena 2015, 230 , 31-38. https://doi.org/10.4028/www.scientific.net/SSP.230.31
    12. Chengliang Li, Yuesong Shen, Shemin Zhu, Shubao Shen. Supported Ni–La–O x for catalytic decomposition of N 2 O I: component optimization and synergy. RSC Advances 2014, 4 (55) , 29107. https://doi.org/10.1039/C4RA02386B

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