Imidazolium functionalized carbon nanotubes for the synthesis of cyclic carbonates: Reducing the gap between homogeneous and heterogeneous catalysis

Mireia Buaki-Sogo, Alvise Vivian, Lucia Bivona, Hermenegildo Garca, Michelangelo Gruttadauria, Carmela Aprile

Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

Résumé

Single walled carbon nanotubes (SWCNTs) were functionalized with imidazolium salts bearing vinyl functionalities. An extremely high loading of active species was achieved through a straightforward one-pot procedure involving self-assembly of the imidazolium moieties followed by radical initiated polymerization of the double bonds. The materials were extensively characterized by transmission electron microscopy, Raman spectroscopy, nitrogen physisorption and combustion chemical analysis. The imidazolium functionalized SWCNTs displayed excellent catalytic activity for the reaction of CO2 and epoxides to produce cyclic carbonates as demonstrated by the excellent turnover numbers (TON). Moreover, they were used in multiple catalytic cycles without loss of activity.

langue originaleAnglais
Pages (de - à)8418-8427
Nombre de pages10
journalCatalysis Science and Technology
Volume6
Numéro de publication24
Les DOIs
Etat de la publicationPublié - 1 janv. 2016

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