2024
DOI: 10.1021/acscatal.4c00014
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Facet-Dependent Oxygen Mobility and Reaction Pathways for Oxidative Dehydrogenation of 1-Butene over Bi2MoO6

Qinyang Zhao,
Xinglin Hou,
Xiaoling Liu
et al.

Abstract: The crystal facet effect is a critical factor for catalytic reactions on metal oxides due to the different atomic arrangements and physicochemical properties of diverse facets. Based on a series of combined experimental and theoretical measurements, this work investigates facet-dependent oxygen mobility and reaction pathways for the oxidation dehydrogenation (ODH) of 1-butene to 1,3-butadiene on Bi 2 MoO 6 , which exposes the {001} and {010} facets (BMO-001 and BMO-010). The results show that the oxygen mobili… Show more

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Cited by 3 publications
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“…420, 610 and 650 K. The former was attributed to the oxidation of partially reduced bismuth, the middle one was ascribed to the oxidation process of partially reduced molybdenum, and the latter was due to the combustion of carbon deposits. 48,49 Notably, the O 2 -consumption temperature relating to Bi/Mo species over Bi 2 MoO 6 -S (417 and 605 K) was lower than that of Bi 2 MoO 6 -F (427 and 611 K). Moreover, the peak area of O 2 -consumption on Bi 2 MoO 6 -S was 1.4 times higher than that on Bi 2 MoO 6 -F. The O 2 -consumption behaviour generally indicates the reactivity of oxygen species on Bi 2 MoO 6 samples, which was intimately correlated with the catalytic activities for the selective oxidation of isobutene.…”
Section: Resultsmentioning
confidence: 92%
“…420, 610 and 650 K. The former was attributed to the oxidation of partially reduced bismuth, the middle one was ascribed to the oxidation process of partially reduced molybdenum, and the latter was due to the combustion of carbon deposits. 48,49 Notably, the O 2 -consumption temperature relating to Bi/Mo species over Bi 2 MoO 6 -S (417 and 605 K) was lower than that of Bi 2 MoO 6 -F (427 and 611 K). Moreover, the peak area of O 2 -consumption on Bi 2 MoO 6 -S was 1.4 times higher than that on Bi 2 MoO 6 -F. The O 2 -consumption behaviour generally indicates the reactivity of oxygen species on Bi 2 MoO 6 samples, which was intimately correlated with the catalytic activities for the selective oxidation of isobutene.…”
Section: Resultsmentioning
confidence: 92%