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Fe3Mo3N: Crystal Structure, High-Temperature Behavior, and Catalytic Activity for Ammonia Decomposition

MPG-Autoren
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Gomez-Capiro,  Oscar
Research Department Schlögl, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;

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Ruland,  Holger
Research Department Schlögl, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;

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Zitation

Hund, S., Gomez-Capiro, O., Dembele, K., Berendts, S., Lunkenbein, T., Ruland, H., et al. (2023). Fe3Mo3N: Crystal Structure, High-Temperature Behavior, and Catalytic Activity for Ammonia Decomposition. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, (649): e202300152, pp. 1-6. doi:10.1002/zaac.202300152.


Zitierlink: https://hdl.handle.net/21.11116/0000-000D-DDF5-6
Zusammenfassung
Fe3Mo3N was synthesized successfully via ammonolysis out of an oxidic precursor prepared by a modified Pechini route. Rietveld refinement using X-ray powder data confirmed that the compound crystallizes in space group Fd (3) over barm with a lattice parameter of alpha = 11.0777 angstrom Group theoretical methods were applied to elucidate the relation between the crystal structure of Fe3Mo3N and that of the copper type. The high temperature behavior of Fe3Mo3N in ammonia gas was investigated by in situ powder X-ray diffraction. In addition, the catalytic activity of our iron molybdenum nitride for ammonia decomposition was measured and compared to the activity of an industrial ironbased catalyst. Both catalysts show similar performances.