Issue 24, 2016

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

Abstract

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.

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

Supplementary files

Article information

Article type
Paper
Submitted
16 May 2016
Accepted
20 Sep 2016
First published
21 Sep 2016

Catal. Sci. Technol., 2016,6, 8418-8427

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

M. Buaki-Sogó, A. Vivian, L. A. Bivona, H. García, M. Gruttadauria and C. Aprile, Catal. Sci. Technol., 2016, 6, 8418 DOI: 10.1039/C6CY01068G

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