High-Surface-Area, Emulsion-Templated Carbon Foams by Activation of polyHIPEs Derived from Pickering Emulsions

Carbon foams displaying hierarchical porosity and excellent surface areas of >1400 m²/g can be produced by the activation of macroporous poly(divinylbenzene). Poly(divinylbenzene) was synthesized from the polymerization of the continuous, but minority, phase of a simple high internal phase Picker...

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Bibliographic Details
Published inMaterials Vol. 9; no. 9; p. 776
Main Authors Woodward, Robert T, De Luca, François, Roberts, Aled D, Bismarck, Alexander
Format Journal Article
LanguageEnglish
Published Switzerland MDPI 14.09.2016
MDPI AG
Subjects
carboHIPE
carbon
carbonization
Communication
emulsion template
microporous
Pickering emulsion
polyHIPE
Pickering emulsion
emulsion template
carbon
microporous
carboHIPE
carbonization
polyHIPE
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Summary:Carbon foams displaying hierarchical porosity and excellent surface areas of >1400 m²/g can be produced by the activation of macroporous poly(divinylbenzene). Poly(divinylbenzene) was synthesized from the polymerization of the continuous, but minority, phase of a simple high internal phase Pickering emulsion. By the addition of KOH, chemical activation of the materials is induced during carbonization, producing Pickering-emulsion-templated carbon foams, or carboHIPEs, with tailorable macropore diameters and surface areas almost triple that of those previously reported. The retention of the customizable, macroporous open-cell structure of the poly(divinylbenzene) precursor and the production of a large degree of microporosity during activation leads to tailorable carboHIPEs with excellent surface areas.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma9090776