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Growing Zigzag (16,0) Carbon Nanotubes with Structure-Defined Catalysts.

Growing Zigzag (16,0) Carbon Nanotubes with Structure-Defined Catalysts. The growth of zigzag single-walled carbon nanotubes (SWNTs) is most challenging among all types of SWNTs, with the highest reported selectivity of ∼7%. Here we realized the dominant growth of (16,0) tubes at the abundance near ∼80% by using intermetallic W6Co7 catalysts containing plenty of (1 1 6) planes together with optimizing the growth conditions. These (1 1 6) planes may act as the structure templates for (16,0) SWNTs due to the geometrical match between the open end of the (16,0) tube and the atomic arrangements of the (1 1 6) planes in W6Co7. Using catalysts with designed structure as solid state template at suitable kinetic conditions offers a strategy for selective growth of zigzag SWNTs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the American Chemical Society Pubmed

Growing Zigzag (16,0) Carbon Nanotubes with Structure-Defined Catalysts.

Journal of the American Chemical Society , Volume 137 (27): -8596 – Oct 30, 2015

Growing Zigzag (16,0) Carbon Nanotubes with Structure-Defined Catalysts.


Abstract

The growth of zigzag single-walled carbon nanotubes (SWNTs) is most challenging among all types of SWNTs, with the highest reported selectivity of ∼7%. Here we realized the dominant growth of (16,0) tubes at the abundance near ∼80% by using intermetallic W6Co7 catalysts containing plenty of (1 1 6) planes together with optimizing the growth conditions. These (1 1 6) planes may act as the structure templates for (16,0) SWNTs due to the geometrical match between the open end of the (16,0) tube and the atomic arrangements of the (1 1 6) planes in W6Co7. Using catalysts with designed structure as solid state template at suitable kinetic conditions offers a strategy for selective growth of zigzag SWNTs.

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ISSN
0002-7863
DOI
10.1021/jacs.5b04403
pmid
26125333

Abstract

The growth of zigzag single-walled carbon nanotubes (SWNTs) is most challenging among all types of SWNTs, with the highest reported selectivity of ∼7%. Here we realized the dominant growth of (16,0) tubes at the abundance near ∼80% by using intermetallic W6Co7 catalysts containing plenty of (1 1 6) planes together with optimizing the growth conditions. These (1 1 6) planes may act as the structure templates for (16,0) SWNTs due to the geometrical match between the open end of the (16,0) tube and the atomic arrangements of the (1 1 6) planes in W6Co7. Using catalysts with designed structure as solid state template at suitable kinetic conditions offers a strategy for selective growth of zigzag SWNTs.

Journal

Journal of the American Chemical SocietyPubmed

Published: Oct 30, 2015

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