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Issue 6, 2004
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Growth of aligned SWNT arrays from water-soluble molecular clusters for nanotube device fabrication

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Abstract

A simple method to fabricate parallel and/or crossed networks of ultra-long single-walled carbon nanotube (SWNT) arrays based on carbon monoxide-chemical vapor deposition (CO-CVD) by a “fast-heating” growth process is reported. The catalysts which are water-soluble inorganic molecular clusters containing Fe and Mo atoms can be easily “drawn” on the substrate by an ink pen using the cluster solution as “ink” or transferred by micro-contact printing (μCP) using poly (dimethylsiloxane) (PDMS) elastomer stamp onto substrate. The as-grown SWNTs are millimetres in length with diameters ranging from 0.7 to 2.0 nm and with controllable location and direction. Multi-dimensional crossed-networks of SWNTs can be easily fabricated by multi-step growth processes. Patterning catalysts using water-soluble clusters can be compatible with ink-jet printing techniques for generating large-area well-oriented and precisely-located SWNTs. We have also demonstrated that the ease of patterning and growing aligned nanotube arrays provides a reliable way to fabricate nanotube electronic devices.

Graphical abstract: Growth of aligned SWNT arrays from water-soluble molecular clusters for nanotube device fabrication

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Article information


Submitted
05 Dec 2003
Accepted
30 Jan 2004
First published
12 Feb 2004

Phys. Chem. Chem. Phys., 2004,6, 1077-1079
Article type
Communication

Growth of aligned SWNT arrays from water-soluble molecular clusters for nanotube device fabrication

S. Huang, Q. Fu, L. An and J. Liu, Phys. Chem. Chem. Phys., 2004, 6, 1077
DOI: 10.1039/B315892F

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