Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature
The preliminary oxidation of graphite to graphite oxide followed by a thermal exfoliation is one of the methods most frequently employed in the preparation of graphene. Such thermally reduced graphene can be widely used for several applications that range from coatings to sensing device fabrication....
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sg-ntu-dr.10356-1020352020-03-07T12:34:54Z Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature Ambrosi, Adriano Wong, Gwendeline K. S. Webster, Richard D. Sofer, Zdeněk Pumera, Martin School of Physical and Mathematical Sciences DRNTU::Science::Chemistry::Organic chemistry The preliminary oxidation of graphite to graphite oxide followed by a thermal exfoliation is one of the methods most frequently employed in the preparation of graphene. Such thermally reduced graphene can be widely used for several applications that range from coatings to sensing device fabrication. It is therefore important to investigate in detail the fabrication procedure, the structural features of the resulting graphene, and its potential toxicological effects. Low-molecular-weight and carcinogenic compounds are known to be generated during the thermal reduction/exfoliation of graphite oxide. Such compounds are readsorbed onto the reduced material during the cooling process. We investigate here the composition of the organic compounds that are adsorbed onto the graphene material and show that they can be easily released during the following processing steps even at temperatures as low as 50 °C. Some of the released organic compounds are classified as highly carcinogenic. The results shown here are important not only from a chemical point of view to better understand the composition and properties of the graphene material produced, but also to bring attention to the potential toxicological effects that the synthesis itself or the post-production processes can cause. 2014-03-20T08:39:16Z 2019-12-06T20:48:35Z 2014-03-20T08:39:16Z 2019-12-06T20:48:35Z 2013 2013 Journal Article Ambrosi, A., Wong, G. K. S., Webster, R. D., Sofer, Z., & Pumera, M. (2013). Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature. Chemistry - A European Journal, 19(43), 14446-14450. 0947-6539 https://hdl.handle.net/10356/102035 http://hdl.handle.net/10220/18926 10.1002/chem.201302413 en Chemistry - a European journal © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
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DRNTU::Science::Chemistry::Organic chemistry Ambrosi, Adriano Wong, Gwendeline K. S. Webster, Richard D. Sofer, Zdeněk Pumera, Martin Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature |
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The preliminary oxidation of graphite to graphite oxide followed by a thermal exfoliation is one of the methods most frequently employed in the preparation of graphene. Such thermally reduced graphene can be widely used for several applications that range from coatings to sensing device fabrication. It is therefore important to investigate in detail the fabrication procedure, the structural features of the resulting graphene, and its potential toxicological effects. Low-molecular-weight and carcinogenic compounds are known to be generated during the thermal reduction/exfoliation of graphite oxide. Such compounds are readsorbed onto the reduced material during the cooling process. We investigate here the composition of the organic compounds that are adsorbed onto the graphene material and show that they can be easily released during the following processing steps even at temperatures as low as 50 °C. Some of the released organic compounds are classified as highly carcinogenic. The results shown here are important not only from a chemical point of view to better understand the composition and properties of the graphene material produced, but also to bring attention to the potential toxicological effects that the synthesis itself or the post-production processes can cause. |
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School of Physical and Mathematical Sciences |
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School of Physical and Mathematical Sciences Ambrosi, Adriano Wong, Gwendeline K. S. Webster, Richard D. Sofer, Zdeněk Pumera, Martin |
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Article |
author |
Ambrosi, Adriano Wong, Gwendeline K. S. Webster, Richard D. Sofer, Zdeněk Pumera, Martin |
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Ambrosi, Adriano |
title |
Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature |
title_short |
Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature |
title_full |
Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature |
title_fullStr |
Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature |
title_full_unstemmed |
Carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature |
title_sort |
carcinogenic organic residual compounds readsorbed on thermally reduced graphene materials are released at low temperature |
publishDate |
2014 |
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https://hdl.handle.net/10356/102035 http://hdl.handle.net/10220/18926 |
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1681036535777984512 |