Catalytic Consequences of Protons in Methanol Oxidative Dehydrogenation on Molybdenum-Based Polyoxometalate Clusters
Guangming Cai,
Ya-Huei Cathy Chin
Abstract:This study unravels the catalytic
effects of adjacent
protons in
redox catalysis of bifunctional Keggin-type phosphomolybdic acid clusters
(H3PMo12O40). Isolated redox sites
(O*) and Brønsted acid-redox site pairs (OH/O*) catalyze methanol
oxidative dehydrogenation (ODH), a redox reaction, via the identical
elementary steps and the formation of the kinetically relevant [HOCH2···H···O*]‡ and [OH···HOCH2···H···O*]‡ transition states, but with different kinetic requirements,
established from selective site inacti… Show more
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