DataVXSmallPaper
journal article·2014-08

Structure of Single‐Wall Carbon Nanotubes: A Graphene Helix

Jae‐Kap Lee, Sohyung Lee, Jin‐Gyu Kim, Bong‐Ki Min, Yong‐Il Kim, Kyung‐Il Lee, Kay Hyeok An, Phillip John

Small· Volume 10· Issue 16
Publisher page
Source abstract

Abstract

Evidence is presented in this paper that certain single‐wall carbon nanotubes are not seamless tubes, but rather adopt a graphene helix resulting from the spiral growth of a nano‐graphene ribbon. The residual traces of the helices are confirmed by high‐resolution transmission electron microscopy and atomic force microscopy. The analysis also shows that the tubular graphene material may exhibit a unique armchair structure and the chirality is not a necessary condition for the growth of carbon nanotubes. The description of the structure of the helical carbon nanomaterials is generalized using the plane indices of hexagonal space groups instead of using chiral vectors. It is also proposed that the growth model, via a graphene helix, results in a ubiquitous structure of single‐wall carbon nanotubes.
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Research context

Nanomaterials

OpenAlex topics: Carbon Nanotubes in Composites · Graphene research and applications · Fullerene Chemistry and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Interface Control Research Center Korea Institute of Science and Technology (KIST) Seoul 130–650 Korea

Department of Semiconductor Science Dongguk University Seoul 100–715 Korea

Division of Electron Microscopic Research Korea Basic Science Institute Daejeon 305–333 Korea

Instrumental Analysis Center Yeungnam University Daegu 712–749 Korea

Korea Research Institute of Standards and Science Daejeon 305–600 Korea

Center for Spintronics Research KIST

Nano Material Research Department Jeonju Machinery Research Center Jeonju 561–844 Korea

School of Engineering and Physical Sciences Heriot‐Watt University Riccarton Edinburgh EH14 4AS UK

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