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Support-enhanced selective aerobic alcohol oxidation over Pd/mesoporous silicas

Parlett, Christopher Michael A., Bruce, Duncan W., Hondow, Nicole S., Lee, Adam Fraser and Wilson, Karen 2011. Support-enhanced selective aerobic alcohol oxidation over Pd/mesoporous silicas. ACS Catalysis 1 (6) , pp. 636-640. 10.1021/cs200145n

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The influence of silica mesostructure upon the Pd-catalyzed selective oxidation of allylic alcohols has been investigated for amorphous and surfactant-templated SBA-15, SBA-16 and KIT-6 silicas. Significant rate enhancements can be achieved via mesopore introduction, most notably through the use of interconnected porous silica frameworks, reflecting both improved mass transport and increased palladium dispersion; catalytic activity decreases in the order Pd/KIT-6  Pd/SBA-16 > Pd/SBA-15 > Pd/SiO2. Evidence is presented that highly dispersed palladium oxide nanoparticles, not zero valent palladium, are the catalytically active species.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Palladium; Alcohol; Selective oxidation; Mesoporous; Silica; active site
Publisher: ACS
ISSN: 2155-5435
Last Modified: 19 Mar 2016 22:15

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