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Facilely Fabricating Multifunctional N‑Enriched Carbon

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journal contribution
posted on 20.01.2016, 00:00 by Mi Mi Wan, Xiao Dan Sun, Yan Yan Li, Jun Zhou, Ying Wang, Jian Hua Zhu
A new synthetic strategy, named “carbonization in limited space” and based on the specific interaction between eutectic salt and dual-ionic liquids (dual-ILs), is reported in this article. N-Containing dual-ILs (1,4-diethyl-1,4-diazaniabicyclo­[2,2,2]­octane imidazolide-4,5-dicyanoiazolide, [2C2DABCO]2+[Im][CN-Im]) were synthesized as new carbon–nitrogen precursors, while eutectic salt was chosen as a reuseable template in order to facilely fabricate the N-doped porous carbon with sheetlike morphology. Nitrogen can be directly and efficiently incorporated into the porous carbon, resulting in the materials with suitable N content, tunable pore structure, and controllable thickness of sheet as well as high surface area. They exhibited good performance as electrodes for supercapacitors, photocatalysts in degradation of methyl orange (MO) under visible light, and the sorbent to capture tobacco-specific N-nitrosamines (TSNAs) in solution, offering a new simplified but effective method to prepare versatile carbon material.

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