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Dielectrophoretic separation of metallic arc-discharge single-walled carbon nanotubes in a microfluidic channel

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Title
Dielectrophoretic separation of metallic arc-discharge single-walled carbon nanotubes in a microfluidic channel
Author(s)
Hosung Kang; Wang, Beibei; Hong, Seunghyun; Jung Jun Bae; Kim, Duckjong; Han, Chang-soo; Young Hee Lee; Seunghyun Baik
Publication Date
2013-11
Journal
SYNTHETIC METALS, v.184, no., pp.23 - 28
Publisher
ELSEVIER SCIENCE SA
Abstract
Electronic type-dependent separation of single-walled carbon nanotubes (SWNTs), preserving pristine crystallinity and length, is of great interest since mixtures of semiconducting and metallic species are produced by current synthesis methods. Here we separated highly-enriched metallic SWNTs, synthesized by the arc-discharge method, by dielectrophoresis in a microfluidic channel. The design of microelectrodes was optimized to prevent the nanotube deposition on the electrodes for prolonged operation of the microfluidic chip. The average length of separated highly crystalline metallic SWNTs was relatively long (2-2.4 μm). © 2013 Elsevier B.V. All rights reserved.
URI
https://pr.ibs.re.kr/handle/8788114/1218
ISSN
0379-6779
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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