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

Creation of spherical carbon nanoparticles and clusters from carbon dioxide via UV dissociation at the critical point
Creation of spherical carbon nanoparticles and clusters from carbon dioxide via UV dissociation at the critical point
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.
1463-9262
1196-1201
Aschenbrenner, Ortrud
ce755498-5199-4ec2-a817-61c3dae08182
Fukuda, Takahiro
b275a3a4-5788-46c1-bc91-10f76c9f2a96
Hasumura, Takashi
7ad1bc3e-021b-4b95-be0e-6f04467a1a19
Maekawa, Toru
c1a7a2df-a8fe-4317-b637-484aeadbafba
Cundy, Andrew B.
994fdc96-2dce-40f4-b74b-dc638286eb08
Whitby, Raymond L.D.
aafe509a-7755-4843-8255-cf80f0b702ac
Aschenbrenner, Ortrud
ce755498-5199-4ec2-a817-61c3dae08182
Fukuda, Takahiro
b275a3a4-5788-46c1-bc91-10f76c9f2a96
Hasumura, Takashi
7ad1bc3e-021b-4b95-be0e-6f04467a1a19
Maekawa, Toru
c1a7a2df-a8fe-4317-b637-484aeadbafba
Cundy, Andrew B.
994fdc96-2dce-40f4-b74b-dc638286eb08
Whitby, Raymond L.D.
aafe509a-7755-4843-8255-cf80f0b702ac

Aschenbrenner, Ortrud, Fukuda, Takahiro, Hasumura, Takashi, Maekawa, Toru, Cundy, Andrew B. and Whitby, Raymond L.D. (2012) Creation of spherical carbon nanoparticles and clusters from carbon dioxide via UV dissociation at the critical point. Green Chemistry, 14 (4), 1196-1201. (doi:10.1039/C2GC16593G).

Record type: Article

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.

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More information

Published date: 7 March 2012
Organisations: Geochemistry

Identifiers

Local EPrints ID: 399328
URI: https://eprints.soton.ac.uk/id/eprint/399328
ISSN: 1463-9262
PURE UUID: f3108a3b-03f0-4c73-a3ad-02f92c3dc765
ORCID for Andrew B. Cundy: ORCID iD orcid.org/0000-0003-4368-2569

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Date deposited: 11 Aug 2016 13:01
Last modified: 20 Jul 2019 00:34

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Contributors

Author: Ortrud Aschenbrenner
Author: Takahiro Fukuda
Author: Takashi Hasumura
Author: Toru Maekawa
Author: Andrew B. Cundy ORCID iD
Author: Raymond L.D. Whitby

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