4.6 Article

Boron and nitrogen-rich carbons from ionic liquid precursors with tailorable surface properties

Journal

PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 13, Issue 30, Pages 13486-13491

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cp20631a

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Funding

  1. Ministry of Knowledge Economy, Republic of Korea
  2. Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy [DE-AC05-00OR22725]
  3. Oak Ridge National Laboratory
  4. U.S. DOE Office of Energy Efficiency and Renewable Energy (EERE)
  5. U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [ERKCC61]

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A novel strategy for tailoring the adsorption and structural properties of ionic liquid derived carbons has been developed. By changing the carbonization temperature and ratios of ionic liquids (ILs) containing a cross-linkable anion, such as 1-butyl-3-methylimidazolium tricyanomethanide [BMIm][C(CN)(3)] and 1-ethyl-3-methylimidazolium tetracyanoborate [EMIm][B(CN)(4)], boron and nitrogen-rich carbons with slit-like pores and specific surface areas exceeding 500 m(2) g(-1) have been prepared. Furthermore, the nitrogen-rich carbons exhibit high adsorption capacity for CO(2) adsorption and selectivity for CO(2)/N(2) separation.

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