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Issue 4, 2012
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Creation of spherical carbon nanoparticles and clusters from carbon dioxide via UV dissociation at the critical point

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Abstract

Carbon nanomaterials have become increasingly important for many applications, including sensors, electronics, biomedical materials and functional composites. Currently their production is based on hydrocarbons or graphite and requires very high temperatures. Here we present a method for the synthesis of carbon nanomaterials from carbon dioxide. Unlike previously described methods, our synthesis method works near room temperature. Carbon dioxide is irradiated at its critical point, producing spherical carbon nanoparticles even without the use of a catalyst. We examine the influence of irradiation parameters and different metals and catalysts on the nanocarbon production. Together with analysis of the fluid phase, this allows us to draw some conclusions on the carbon dioxide dissociation mechanism.

Graphical abstract: Creation of spherical carbon nanoparticles and clusters from carbon dioxide via UV dissociation at the critical point

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Supplementary files

Article information


Submitted
12 Dec 2011
Accepted
06 Feb 2012
First published
07 Mar 2012

Green Chem., 2012,14, 1196-1201
Article type
Paper

Creation of spherical carbon nanoparticles and clusters from carbon dioxide via UV dissociation at the critical point

O. Aschenbrenner, T. Fukuda, T. Hasumura, T. Maekawa, A. B. Cundy and R. L. D. Whitby, Green Chem., 2012, 14, 1196 DOI: 10.1039/C2GC16593G

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