A cost-effective synthesis of heteroatom-doped porous carbons as efficient CO2 sorbents.

Ashourirad B, Arab P, Islamoglu T, Cychosz KA, Thommes M, El-Kaderi HM (2016)

Publication Type: Journal article, Original article

Subtype: other

Publication year: 2016

Journal

Journal of Materials Chemistry A Royal Society of Chemistry

Publisher: Royal Society of Chemistry

Book Volume: 4

Pages Range: 14693-14702-14702

Journal Issue: 38

DOI: 10.1039/C6TA06251B

Abstract

Carbon dioxide release into the atm. from fossil fuel burning has been identified as the major reason behind global warming. This has triggered immense interest in developing cost-efficient methods and materials for CO2 capture in recent years. In this study, benzimidazole was used as an inexpensive and com. available single source precursor for carbon and nitrogen to successfully produce heteroatom-doped porous carbons (BIDCs) with remarkable CO2 capture properties. Our synthetic protocol involves solid-state addn. of potassium hydroxide to the benzimidazole precursor to prevent its evapn. and subsequent carbonization-activation of the nonvolatile powdery mixt. to ensure simultaneous porosity formation and heteroatom doping. The porous structure and heteroatom doping level can be controlled by tuning the KOH/benzimidazole ratio and carbonization temp. The highest CO2 uptake values at 0.1 bar (1.60 mmol g-1), 1 bar (5.46 mmol g-1), and 30 bar (28.10 mmol g-1) were realized for three different carbons at 298 K. These diverse CO2 capture performances originate from a unique combination of surface chem. and porous architecture for each BIDC. The carbon materials are regenerable and highly promising for CO2 sepn. or storage. [on SciFinder(R)]

Authors with CRIS profile

Matthias Thommes

Additional Organisation(s)

Lehrstuhl für Thermische Verfahrenstechnik (TVT)

Involved external institutions

Virginia Commonwealth University (VCU) US United States (USA) (US) Quantachrome Instruments US United States (USA) (US)

How to cite

APA:

Ashourirad, B., Arab, P., Islamoglu, T., Cychosz, K.A., Thommes, M., & El-Kaderi, H.M. (2016). A cost-effective synthesis of heteroatom-doped porous carbons as efficient CO2 sorbents. Journal of Materials Chemistry A, 4(38), 14693-14702-14702. https://doi.org/10.1039/C6TA06251B

MLA:

Ashourirad, Babak, et al. "A cost-effective synthesis of heteroatom-doped porous carbons as efficient CO2 sorbents." Journal of Materials Chemistry A 4.38 (2016): 14693-14702-14702.

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