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Proceedings Paper

Ultralong, aligned, and uniform single-walled carbon nanotubes-based nanodevices for advanced applications
Author(s): Jianing An; Lianxi Zheng
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Paper Abstract

Single-walled carbon nanotubes (SWNTs) possess outstanding electrical properties, which make them attractive building blocks for future electronics. The electrical properties of SWNTs are intimately related to their structural uniformity. Here, we reported well-aligned SWNTs, up to centimeter long, synthesized in an ultralow gas flow chemical vapor deposition (CVD) system using ethanol as the carbon source. The as-grown SWNTs were characterized using Raman spectroscopy and confocal Raman imaging. The low intensity ratio of D band and G band (ID/IG), together with the constant G band position over several millimeter length of an isolated SWNT, indicates that the structures of the individual SWNTs are uniform with exceedingly low density of defects. Excellent electrical performances were also observed by fabricating the as-grown SWNTs into FETs. The superior length and the well-ordered orientation, allow large scale fabrication of individual CNT-based electronic devices, and also show a promising prospect of creating integrated circuits on an individual SWNT.

Paper Details

Date Published: 9 August 2013
PDF: 7 pages
Proc. SPIE 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 87930W (9 August 2013); doi: 10.1117/12.2027850
Show Author Affiliations
Jianing An, Nanyang Technological Univ. (Singapore)
Lianxi Zheng, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 8793:
Fourth International Conference on Smart Materials and Nanotechnology in Engineering
Jayantha A. Epaarachchi; Alan Kin-tak Lau; Jinsong Leng, Editor(s)

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