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Biomimetic carbon nanotube competes with platinum

2014.03.21 21:01

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 We report the synthesis of a Fe-porphyrin-like carbon nanotube from conventional plasma-enhanced chemical vapor deposition. Covalent but seamless incorporation of the 5-6-5-6 porphyrinic Fe-N4 moiety into the graphene hexagonal side wall was elucidated by x-ray and ultraviolet photoemission spectroscopies and first-principles electronic structure calculations. The resulting biomimetic nanotube exhibits an excellent oxygen reduction catalytic activity with the extreme structural stability over 0.1×106 cycles, vastly superior to the commercial Pt-C catalyst.


http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.106.175502

D. H. Lee, et al., Phys. Rev. Lett. - Apr. 6, 2011

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