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Issue 10, 2011
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Chemically modified graphene: flame retardant or fuel for combustion?

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Abstract

Graphene oxide (GO), an oxidized form of graphene, has attracted lots of attention due to its solution processability and chemical reactivity from its functional groups. GO is known as a promising flame retarding nano-additive in polymers. Interestingly, a local hot spot can trigger a rapid and self-propagating reaction to convert GO into a more stable form, reduced-GO (r-GO). However, the presence of potassium salt impurities causes catastrophic reduction (carbon combustion) of GO (r-GO) once these chemically modified graphene materials are triggered by a hot spot. The self-propagating reduction from GO solids is due to its highly energetic nature, suggesting that caution needs to be adopted against a possible fire hazard.

Graphical abstract: Chemically modified graphene: flame retardant or fuel for combustion?

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Publication details

The article was received on 06 Sep 2010, accepted on 04 Oct 2010 and first published on 30 Nov 2010


Article type: Highlight
DOI: 10.1039/C0JM02953J
Citation: J. Mater. Chem., 2011,21, 3277-3279
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    Chemically modified graphene: flame retardant or fuel for combustion?

    Y. Shi and L. Li, J. Mater. Chem., 2011, 21, 3277
    DOI: 10.1039/C0JM02953J

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