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Synthesis and Characterization of Highly Dispersed Molybdenum Carbides in Mesoporous Silica

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Abstract

Highly dispersed molybdenum carbides in MCM-41 mesoporous silica are synthesized by temperature-programmed carburization and are characterized. Two methods of preparation are examined: (i) insertion of molybdenum during the synthesis of the MCM-41 silica and (ii) postsynthesis incorporation into a MCM-41 silica matrix by the incipient wetness method. Propene transformation (hydrogenation and metathesis) was used as a probe reaction; the observed catalytic behavior can be explained as a result of the preparation method, i.e., of the relative strength of interaction between the molybdenum oxide precursor and the support.

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Correspondence to Jean-Marie Manoli.

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Piquemal, JY., Potvin, C., Manoli, JM. et al. Synthesis and Characterization of Highly Dispersed Molybdenum Carbides in Mesoporous Silica. Catalysis Letters 92, 189–195 (2004). https://doi.org/10.1023/B:CATL.0000014345.69368.76

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