Dielectrophoretic manipulation of nanomaterials and its application to device fabrication

Research output: Contribution to journalArticle

Abstract

The Dielectrophoresis (DEP) is electrokinetic motion of dielectrically polarized materials in non-uniform electric fields. DEP has been successfully applied to manipulation of nanomaterials including carbon nanotubes, metallic nanoparticles and semiconducting nanowires. Under positive DEP force, which attracts nanomaterials toward the higher field region, nanomaterials are trapped in the electrode gap and automatically establish good electrical connections between them and the external measuring circuit. This feature allows us a fast, simple and low-cost fabrication of nanomaterial-based sensors based on a bottom-up basis. This paper firstly presents a theoretical background of DEP phenomena and then reviews recent works of the present author, which were aimed to develop nanomaterial-based sensors, such as a carbon nanotube gas sensor and a ZnO nanowire photosensor, using DEP fabrication technique.

Original languageEnglish
Pages (from-to)435-438
Number of pages4
JournalIEEJ Transactions on Fundamentals and Materials
Volume129
Issue number7
DOIs
Publication statusPublished - Sep 25 2009

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Electrophoresis
Nanostructured materials
Fabrication
Nanowires
Carbon nanotubes
Sensors
Chemical sensors
Electric fields
Nanoparticles
Electrodes
Networks (circuits)
Costs

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Dielectrophoretic manipulation of nanomaterials and its application to device fabrication. / Suehiro, Junya.

In: IEEJ Transactions on Fundamentals and Materials, Vol. 129, No. 7, 25.09.2009, p. 435-438.

Research output: Contribution to journalArticle

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