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2 results on '"Gao, Junbo"'

1. Continuous spinning of a single-walled carbon nanotube-nylon composite fiber

Author

Gao, Junbo, Itkis, Mikhail E., Aiping Yu, Bekyarova, Elena, Bin Zhao, and Haddon, Robert C.

Subjects
Polymerization -- Research, Nanotubes -- Research, Carbon compounds -- Chemical properties, Chemistry
Abstract

A chemical processing technology that allows the continuous spinning of single-walled carbon nanotubes (SWNTs)-nylon 6 (PA6) fibers by the in-situ polymerization of caprolactam in the presence of SWNTs, which simultaneously optimizes the morphology of the composite, is reported. The results suggested that caprolactam is an excellent solvent for carboxylic-acid-fictionalized SWNTs (SWNT-COOH) and that this allows the efficient dispersal of the SWNTs.

Published
2005

2. Large-scale fabrication of aligned single-walled carbon nanotube array and hierarchical single-walled carbon nanotube assembly

Author

Gao, Junbo, Aiping Yu, Itkis, Mikhali E., Bekyarova, Elena, Haddon, Robert C., Bin Zhao, and Niyogi, Sandip

Subjects
Chemical vapor deposition -- Research, Nanotubes -- Research, Carbon compounds -- Chemical properties, Carbon compounds -- Electric properties, Chemistry
Abstract

Carbon nanotubes are aligned by post-treatment techniques utilizing electrical, magnetic, mechanical forces and self-assembly and in situ during their growth. The in situ method, which is mainly carried out by the chemical vapor deposition (CVD) process, requires high temperatures (>800 degree Celsius) and a reactive environment because of which it is not applicable to devices with limited stability.

Published
2004

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