AI Article Synopsis
- Oil foams created with special particles containing fluorinated chains and Pd nanoparticles enable quick and effective aerobic oxidation of various alcohols, outperforming traditional bulk catalytic systems even under low oxygen pressure.* -
- Optimal foam stability occurs with low particle concentrations (less than 1 wt %) and specific contact angles (41°-73°), striking a balance between stability and catalytic performance.* -
- These foams show significantly enhanced catalytic activity (7-10 times greater in pure oxygen) and retain their efficiency and foamability for at least seven recycling cycles.*
Article Abstract
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 O 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 O 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.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8815424 | PMC |
| http://dx.doi.org/10.1021/jacs.1c11207 | DOI Listing |
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