Fabrication of N-Doped Highly Ordered Mesoporous Polymers and Carbons
N-doped highly ordered mesoporous carbons are synthesized via a one-step organic–organic evaporation induced self-assembly method by using phenol, formaldehyde and m-aminophenol as carbon and nitrogen sources and triblock copolymer as a structure-directing agent. The frameworks are constituted by polymer and carbon upon calcination at 350 °C and 900 °C, respectively, and N incorporates into the frameworks (0.2–1.6% in molar ratio). N-doped mesoporous carbons have high surface areas (∼1200 m2/g) and large pore volumes (∼0.65 cm3/g). Various mesostructures (p6mm and Im3m) can be obtained by simply tuning the ratio of phenol to triblock copolymer in the synthesis. With the increase of the initial amount of m-aminophenol, the graphitizing degree of mesoporous carbon increases.
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Document Type: Research Article
Publication date: 2009-02-01
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