Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 16, Issue 41, Pages 12406-12411Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201000948
Keywords
Heck reaction; heterogeneous catalysis; microreactors; nanoparticles; polymerization; reduction
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Funding
- Dutch ministry of Economic Affairs
- Biopolysurf Marie Curie research network of the EU
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A polymer-brush-based material was applied for the formation and in situ immobilization of silver and palladium nanoparticles, as a catalytic coating on the inner wall of glass microreactors. The brush film was grown directly on the microchannel interior by means of atom-transfer radical polymerization (ATRP), which allows control over the polymer film thickness and therefore permits the tuning of the number of nanoparticles formed on the channel walls. The wide applicability of the catalytic devices is demonstrated for the reduction of 4-nitrophenol and for the Heck reaction.
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