3 years ago

Energy Efficient Synthesis of Ordered Mesoporous Carbon Nitrides with a High Nitrogen Content and Enhanced CO2 Capture Capacity

Energy Efficient Synthesis of Ordered Mesoporous Carbon Nitrides with a High Nitrogen Content and Enhanced CO2 Capture Capacity
Ajayan Vinu, Ugo Ravon, Stalin Joseph, Min-Kyu Kim, Kavitha Ramadass, Kripal S. Lakhi, Khalid Al-Bahily, Dae-Hwan Park, Siddulu N. Talapaneni
Highly ordered mesoporous carbon nitrides (MCN) with 3D structure and a high nitrogen content are successfully prepared for the first time using “uncalcined” mesoporous silica template, KIT-6 and 3-amino-1,2,4-triazole as a single molecular carbon and nitrogen precursor. The prepared MCN with C and N stoichiometry of C3N5 shows unique CN framework and exhibits the CO2 capture capacity of 5.63 mmol g−1 at 273 K and 30 bar, which is higher than that of MCN with 2D structure and C3N4 stoichiometry. Catch and don′t release: Mesoporous carbon nitrides (MCN) with highly ordered 3D structure and a high nitrogen content show a unique CN framework with C and N stoichiometry of C3N5 and the CO2 capture capacity up to 5.63 mmol g−1 at 273 K and 30 bar.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201702566

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