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Pickering interfacial catalysis for aerobic alcohol oxidation in oil foams

Zhang, Shi, Dedovets, Dmytro, Feng, Andong, Wang, Kang and Pera Titus, Marc 2022. Pickering interfacial catalysis for aerobic alcohol oxidation in oil foams. Journal of the American Chemical Society 144 (4) , 1729–1738. 10.1021/jacs.1c11207

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Oil foams stabilized by surface-active catalytic particles bearing fluorinated chains and Pd nanoparticles allowed fast and efficient aerobic oxidation of a variety of aromatic and aliphatic alcohols compared to bulk catalytic systems at ambient O2 pressure. High foam stability was achieved at low particle concentration (<1 wt %) provided that the contact angle locates in the range 41°–73°. The catalytic performance was strongly affected by the foaming properties, with 7–10 times activity increase in pure O2 compared to nonfoam systems. Intermediate foam stability was required to achieve good catalytic activity, combining large interfacial area and high gas exchange rate. Particles were conveniently recycled with high foamability and catalytic efficiency maintained for at least seven consecutive runs.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: American Chemical Society
ISSN: 0002-7863
Funders: ERC
Date of First Compliant Deposit: 9 March 2022
Date of Acceptance: 24 January 2022
Last Modified: 07 Nov 2023 06:45

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