Low-Temperature Single-Wall Carbon Nanotubes Synthesis: Feedstock Decomposition Limited Growth | Zendy

Elena Mora | Zendy; J. M. Pigos | Zendy; Feng Ding | Zendy; Boris I. Yakobson | Zendy; Avetik R. Harutyunyan | Zendy

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Low-Temperature Single-Wall Carbon Nanotubes Synthesis: Feedstock Decomposition Limited Growth

Author(s) -

Elena Mora,

J. M. Pigos,

Feng Ding,

Boris I. Yakobson,

Avetik R. Harutyunyan

Publication year - 2008

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja8035724

Subject(s) - endothermic process , raw material , exothermic reaction , decomposition , chemistry , chemical engineering , carbon fibers , carbon nanotube , catalysis , nanotechnology , organic chemistry , adsorption , materials science , composite material , composite number , engineering

We report on the lowest temperature of SWCNT growth using endothermic decomposition of CH4 gas on a specially activated alumina-supported Fe:Mo catalyst. However, the observed lowest growth temperature (560 degrees C) is higher than that reported previously for exothermic feedstock type. Our observation indicates that the decomposition threshold temperature of the feedstock limits the SWCNT growth. This study also suggests that, by using more active carbon feedstock or somehow facilitating its decomposition, one could enable the synthesis of SWCNT at an even lower temperature.

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