Facile synthesis of cost-effective porous aromatic materials with enhanced carbon dioxide uptake
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Zou, Donglei
Cui, Peng
Ren, Hao
Zhu, Guangshan
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Abstract
Porous aromatic frameworks (PAF-32s) derived from tetrahedral monomers as basic building units have been successfully synthesized via the Friedel-Crafts alkylation reaction in the presence of the inexpensive catalyst FeCl3. The resulting PAF-32 materials possess high stabilities and high surface areas up to 1679 m2 g-1. In particular, amino and hydroxyl functional groups have been introduced into the networks. The corresponding functionalized PAF materials (PAF-32-NH2 and PAF-32-OH) display enhanced CO2 adsorption capacities and higher heats of adsorption (Qst) than the non-functionalized PAF-32.
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Journal of Materials Chemistry A: materials for energy and sustainability
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1
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44
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© 2013 Royal Society of Chemistry. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal website for access to the definitive, published version.
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Macromolecular and materials chemistry
Organic chemical synthesis
Materials engineering