9 August 2013 Ultralong, aligned, and uniform single-walled carbon nanotubes-based nanodevices for advanced applications
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Proceedings Volume 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering; 87930W (2013); doi: 10.1117/12.2027850
Event: Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 2013, Gold Coast, Australia
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.
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Jianing An, Lianxi Zheng, "Ultralong, aligned, and uniform single-walled carbon nanotubes-based nanodevices for advanced applications", Proc. SPIE 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 87930W (9 August 2013); doi: 10.1117/12.2027850; https://doi.org/10.1117/12.2027850
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KEYWORDS
Single walled carbon nanotubes

Raman spectroscopy

Chemical vapor deposition

Bioalcohols

Carbon

Field effect transistors

Nanostructures

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