Graphenes in the absence of metals as carbocatalysts for selective acetylene hydrogenation and alkene hydrogenation

Ana Primo, Florentina Neatu, Mihaela Florea, Vasile Parvulescu () and Hermenegildo Garcia ()
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Ana Primo: Instituto Universitario de Tecnología Química CSIC-UPV, Universitat Politécnica de Valencia
Florentina Neatu: Biochemistry and Catalysis, University of Bucharest
Mihaela Florea: Biochemistry and Catalysis, University of Bucharest
Vasile Parvulescu: Biochemistry and Catalysis, University of Bucharest
Hermenegildo Garcia: Instituto Universitario de Tecnología Química CSIC-UPV, Universitat Politécnica de Valencia

Nature Communications, 2014, vol. 5, issue 1, 1-9

Abstract: Abstract Catalysis makes possible a chemical reaction by increasing the transformation rate. Hydrogenation of carbon–carbon multiple bonds is one of the most important examples of catalytic reactions. Currently, this type of reaction is carried out in petrochemistry at very large scale, using noble metals such as platinum and palladium or first row transition metals such as nickel. Catalysis is dominated by metals and in many cases by precious ones. Here we report that graphene (a single layer of one-atom-thick carbon atoms) can replace metals for hydrogenation of carbon–carbon multiple bonds. Besides alkene hydrogenation, we have shown that graphenes also exhibit high selectivity for the hydrogenation of acetylene in the presence of a large excess of ethylene.

Date: 2014
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DOI: 10.1038/ncomms6291

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