Composite Carbon Nanotube/Silica Fibers with Improved Mechanical Strengths and Electrical Conductivities

Two approaches to the synthesis of composite carbon nanotube/silica fibers in which the carbon nanotubes are highly aligned are investigated, one involving directly casting and the other using surface modification to induce hydrogen bonding between the carbon nanotubes and a silica precursor. Due to...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2008-11, Vol.4 (11), p.1964-1967
Main Authors: Peng, Huisheng, Jain, Menka, Peterson, Dean E., Zhu, Yuntian, Jia, Quanxi
Format: Article
Language:English
Subjects:
carbon nanotubes
composite fibers
Electric Conductivity
Hydrogen Bonding
Mechanics
Microscopy, Electron, Scanning
Nanocomposites - chemistry
Nanocomposites - ultrastructure
Nanotubes, Carbon - chemistry
Nanotubes, Carbon - ultrastructure
silica
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Summary:Two approaches to the synthesis of composite carbon nanotube/silica fibers in which the carbon nanotubes are highly aligned are investigated, one involving directly casting and the other using surface modification to induce hydrogen bonding between the carbon nanotubes and a silica precursor. Due to the nanotube alignment, these composites (see image) exhibit high strength and conductivity, and good chemical and thermal stability, and are expected to find applications in many advanced applications.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.200800231