4.6 Article

High reactivity of metal-free nitrogen-doped carbon nanotube for the C-H activation

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CHEMICAL PHYSICS LETTERS
卷 503, 期 4-6, 页码 287-291

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ELSEVIER
DOI: 10.1016/j.cplett.2011.01.045

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  1. National Natural Science Foundation of China [20803062]
  2. Natural Science Foundation of Jiangsu Province of China [BK2010361]

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Generally speaking, metal is necessary to serve as the active center in C-H activation. Herein, we found that the N-C part of the metal-free nitrogen-doped carbon nanotube (NCNT) can be used as the active center in methane C-H activation. The NCNT can activate O-2 and further activate methane by the adsorbed oxygen atoms. The catalytic ability of this metal-free NCNT is comparable to these reported noble metal catalysts and enzymes. Another character being different from many previous catalysts is that both two O atoms of O-2 can be effectively used as oxidant in the catalytic cycle of NCNT. (C) 2011 Elsevier B.V. All rights reserved.

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