Conductivity of single-walled carbon nanotubes deposited by composite electric-field guided assembly (CEGA) method

S. Chung, J. Hwang, J. Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This paper reports the conductivity characteristic of single-walled carbon nanotubes (SWCNTs) deposited by composite electric-field guided assembly (CEGA) method. The CEGA is a recently developed method for depositing individual multi-walled carbon nanotubes (MWCNTs) in an array, but is used for depositing a net of SWCNTs in this work. SWCNTs dispersed and diluted in dichlorobenzene solution are deposited on micro-patterned electrodes by the CEGA method, and the conductivity related to the key parameters of the CEGA is investigated. According to experiments, the conductivity is increased as the remaining amount of solvent is removed, and as the overall strength and the DC-to-AC ratio of applied electric field are increased. Explanation to the experimental results involves the understanding of the deposition mechanism linked to the interaction among nanoparticles, liquid, and electric field. The results are useful in fabricating nanotube-based sensors with reproducible electrical properties when the CEGA is used.

Original languageEnglish
Pages (from-to)e161-e165
JournalCurrent Applied Physics
Volume6
Issue numberSUPPL. 1
DOIs
Publication statusPublished - 2006 Aug 1

Fingerprint

Single-walled carbon nanotubes (SWCN)
assembly
carbon nanotubes
Electric fields
conductivity
composite materials
electric fields
Composite materials
Carbon Nanotubes
Nanotubes
Carbon nanotubes
nanotubes
alternating current
Electric properties
direct current
electrical properties
Nanoparticles
nanoparticles
Electrodes
electrodes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

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Conductivity of single-walled carbon nanotubes deposited by composite electric-field guided assembly (CEGA) method. / Chung, S.; Hwang, J.; Lee, J.

In: Current Applied Physics, Vol. 6, No. SUPPL. 1, 01.08.2006, p. e161-e165.

Research output: Contribution to journalArticle

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