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Molybdenum-based catalysts for the decomposition of ammonia: In situ X-ray diffraction studies, microstructure, and catalytic properties

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Tagliazucca,  Valeria
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schlichte,  Klaus
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Weidenthaler,  Claudia
Research Group Weidenthaler, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schüth,  Ferdi
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Tagliazucca, V., Schlichte, K., Weidenthaler, C., & Schüth, F. (2013). Molybdenum-based catalysts for the decomposition of ammonia: In situ X-ray diffraction studies, microstructure, and catalytic properties. Journal of Catalysis, 305, 277-289. doi:10.1016/j.jcat.2013.05.011.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-A3C8-D
Abstract
The ammonia decomposition reaction over molybdenum-based catalysts is an example for the complex influence of different factors, such as phase composition; size of crystalline domains, or defect concentration, on the catalytic behavior of a material. In situ powder diffraction allows the direct analysis of how catalysts change during a reaction with respect to the atomic structure or microstructure in terms of defects or size changes. In this article, the influence of catalyst treatment such as pre-reduction or ball milling on the catalytic properties is discussed in detail.