Solid-state spun fibers and yarns from 1-mm long carbon nanotube forests synthesized by water-assisted chemical vapor deposition

We report continuous carbon nanotube (CNT) fibers and yarns dry-drawn directly from water-assisted chemical vapor deposition (CVD) grown forests with about 1-mm height. As-drawn CNT fibers exist as aerogel and can be transformed into more compact fibers through twisting or densification with a volat...

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Bibliographic Details
Published in:Journal of materials science 2008-07, Vol.43 (13), p.4356-4362
Main Authors: Zhang, Shanju, Zhu, Lingbo, Minus, Marilyn L., Chae, Han Gi, Jagannathan, Sudhakar, Wong, Ching-Ping, Kowalik, Janusz, Roberson, Luke B., Kumar, Satish
Format: Article
Language:English
Subjects:
Aerogels
Carbon nanotubes
Characterization and Evaluation of Materials
Chemical synthesis
Chemical synthesis methods
Chemical vapor deposition
Chemistry and Materials Science
Classical Mechanics
Commonality of Phenomena in Composite Materials
Continuous fibers
Cross-disciplinary physics: materials science
rheology
Crystallography and Scattering Methods
Densification
Electrical resistivity
Exact sciences and technology
Materials Science
Mechanical properties
Methods of nanofabrication
Microscopy
Nanoscale materials and structures: fabrication and characterization
Nanotubes
Organic chemistry
Organic liquids
Photoelectrons
Physics
Polymer Sciences
Scanning electron microscopy
Solid Mechanics
Twisting
Yarns
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Description
Summary:We report continuous carbon nanotube (CNT) fibers and yarns dry-drawn directly from water-assisted chemical vapor deposition (CVD) grown forests with about 1-mm height. As-drawn CNT fibers exist as aerogel and can be transformed into more compact fibers through twisting or densification with a volatile organic liquid. CNT fibers are characterized by scanning electron microscopy, X-ray photoelectron spectroscopy, Raman microscopy, and wide-angle X-ray diffraction. Mechanical properties and electrical conductivity of the post-treated CNT fibers are investigated. The resulting fibers show the work of rupture of 30 J/g and DC electrical conductivity of 5.0 × 10 4  S/m.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-008-2558-5