Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 34, Pages 14201-14208Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta02073a
Keywords
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Funding
- National Science Foundation of China [21374024, 61261130092]
- Ministry of Science and Technology of China [2014CB932204]
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A triazine-based porous carbon material (TPC-1) was prepared directly from a fluorinated aromatic nitrile in molten zinc chloride. Trimerization of the nitrile and subsequent defluorination carbonization of the polymeric network result in the formation of TPC-1. The defluorination process is reversible and can etch the polymeric network to release CFn, thereby generating additional porosity and rendering TPC-1 a nitrogen-rich porous material. TPC-1 shows a high BET surface area of 1940 m(2) g(-1) and contains both micropores and mesopores, which facilitate the diffusion and adsorption of gas molecules. Gas adsorption experiments demonstrate outstanding uptake capacities of TPC-1 for CO2 (4.9 mmol g(-1), 273 K and 1.0 bar), CH4 (3.9 mmol g(-1), 273 K and 1.0 bar), and H-2 (10.1 mmol g(-1), 77 K and 1.0 bar). This straightforward synthesis procedure provides an alternative pathway to prepare high-performance porous carbon materials.
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