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Dr. Daniel R. Stellwagen, Frits van der Klis, Dr. Daan S. van Es, Prof. Dr. Krijn P. de Jong and Dr. Johannes H. Bitter Functionalized Carbon Nanofibers as Solid-Acid Catalysts for Transesterification ChemSusChem 6

Article first published online: 31 JUL 2013 | DOI: 10.1002/cssc.201300372

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Acids and carbons: Carbon nanofibers were functionalized with aryl sulfonic acid groups by in situ diazonium coupling. The material is an efficient catalyst for the transesterification of triolein and methanol, outperforming conventional sulfonated carbons. Correlation of catalytic performance and number of active sites indicates that the acidic groups introduced by the diazonium coupling method show increased activity and accessibility to the triglyceride substrate.

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