Structures of the helical carbon nanotubes

M Liu, JM Cowley - Carbon, 1994 - Elsevier
… conclusions are drawn from the present study on the structures of helical carbon nanotubes:
… A helical tube can have only one single helix angle or multiple helix angles. The value of …

Helical carbon nanotube arrays: mechanical properties

RB Pipes, P Hubert - Composites Science and Technology, 2002 - Elsevier
… arrays of carbon nanotubes assembled in helical geometries … -mechanics approach wherein
the nanotube is treated as a … consisting of discontinuous carbon nanotubes embedded in a …

[PDF][PDF] Carbonnanotube‐array double helices

Q Zhang, MQ Zhao, DM Tang, F Li… - Angewandte Chemie …, 2010 - qianggroup.com
… for the single/double-helix structure provides a novel … -helical carbon nanofibers (CNFs)[4]
and nanotubes[5] because of their coiled morphologies and potential applications. Helical

Large-scale synthesis of perpendicularly aligned helical carbon nanotubes

V Bajpai, L Dai, T Ohashi - Journal of the American Chemical …, 2004 - ACS Publications
helical carbon nanotubes lies in a synergetic combination of the systems for producing
nonaligned helical 6 and aligned straight 8 carbon nanotubes. … straight carbon nanotube arrays …

Bottom-up synthesis of finite models of helical (n,m)-single-wall carbon nanotubes

S Hitosugi, W Nakanishi, T Yamasaki… - Nature Communications, 2011 - nature.com
The bottom-up synthesis of hoop-shaped aromatic hydrocarbons is currently attracting
interest, because they can serve as finite models of single-wall carbon nanotubes (SWNTs). …

Helical carbon nanotubes: catalytic particle size-dependent growth and magnetic properties

N Tang, J Wen, Y Zhang, F Liu, K Lin, Y Du - Acs Nano, 2010 - ACS Publications
… The exact knowledge of helical carbon nanotube (HCNT) growth mechanism has not yet
been completely clarified, and effective synthesis of high-purity helical carbon nanotubes in …

Mechanical properties of carbon nanotube ropes with hierarchical helical structures

ZL Zhao, HP Zhao, JS Wang, Z Zhang… - Journal of the Mechanics …, 2014 - Elsevier
… The effect of hierarchical helical structures is revealed by … a carbon nanotube rope with
two-level helical structure and its counterpart bundle consisting of straight carbon nanotubes. The …

Kinetically controlled growth of helical and zigzag shapes of carbon nanotubes

R Gao, ZL Wang, S Fan - The Journal of Physical Chemistry B, 2000 - ACS Publications
… of the helical carbon nanotubes. After a careful analysis on the helical carbon nanotubes,
a … in controlling the shape of the helical nanotubes. A paring of the pentagon and heptagon …

Helical carbon nanotube arrays: thermal expansion

RB Pipes, P Hubert - Composites Science and Technology, 2003 - Elsevier
… the potential properties for a carbon nanotube reinforced polypropylene composite and … of
the helical array of carbon nanotubes. Here we assume that the nanotubes are surrounded by …

Generalized classification scheme of toroidal and helical carbon nanotubes

C Chuang, YC Fan, BY Jin - Journal of chemical information and …, 2009 - ACS Publications
… for toroidal (TCNT) and helical carbon nanotubes (HCNT) containing both pentagons and
… Chiral isomers or the corresponding helical derivatives, HCNTs, can also be readily derived …