Zeolite-Stabilized Di- and Tetranuclear Molybdenum Sulfide Clusters Form Stable 
Catalytic Hydrogenation Sites

Weindl, Roland; Khare, Rachit; Kovarik, Libor; Jentys, Andreas; Reuter, Karsten; Shi, Hui; Lercher, Johannes A.

doi:10.1002/anie.202015769

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学術論文

Zeolite-Stabilized Di- and Tetranuclear Molybdenum Sulfide Clusters Form Stable Catalytic Hydrogenation Sites

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Reuter, Karsten
Department of Chemistry and Catalysis Research Center, Technical University of Munich;
Theory, Fritz Haber Institute, Max Planck Society;

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引用

Weindl, R., Khare, R., Kovarik, L., Jentys, A., Reuter, K., Shi, H., & Lercher, J. A. (2021). Zeolite-Stabilized Di- and Tetranuclear Molybdenum Sulfide Clusters Form Stable Catalytic Hydrogenation Sites. Angewandte Chemie International Edition, 60(17), 9301-9305. doi:10.1002/anie.202015769.

引用: https://hdl.handle.net/21.11116/0000-0008-3096-8

要旨

Supercages of faujasite (FAU)‐type zeolites serve as a robust scaffold for stabilizing dinuclear (Mo₂S₄) and tetranuclear (Mo₄S₄) molybdenum sulfide clusters. The FAU‐encaged Mo₄S₄ clusters have a distorted cubane structure similar to the FeMo‐cofactor in nitrogenase. Both clusters possess unpaired electrons on Mo atoms. Additionally, they show identical catalytic activity per sulfide cluster. Their catalytic activity is stable (> 150 h) for ethene hydrogenation, while layered MoS₂ structures deactivate significantly under the same reaction conditions.