Fabrication and characterization of nanomaterial-based sensors using dielectrophoresis

研究成果: ジャーナルへの寄稿記事

11 引用 (Scopus)

抄録

Dielectrophoresis (DEP) is an electrokinetic motion of dielectrically polarized materials in nonuniform electric fields. DEP has been successfully applied to manipulation of nanomaterials including carbon nanotubes (CNTs), 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 approach. This paper first 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 CNT gas sensor and a ZnO nanowire photosensor, using DEP fabrication technique. It is also demonstrated that DEP technique enables self-formation of interfaces between various nanomaterials, which can be also applicable as novel sensing transducers.

元の言語英語
記事番号004095BMF
ジャーナルBiomicrofluidics
4
発行部数2
DOI
出版物ステータス出版済み - 1 1 2010

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Nanostructures
Electrophoresis
Nanostructured materials
Fabrication
fabrication
sensors
Sensors
nanowires
carbon nanotubes
Nanowires
photosensors
Carbon Nanotubes
electrokinetics
manipulators
Carbon nanotubes
transducers
Metal Nanoparticles
nanoparticles
electrodes
electric fields

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Materials Science(all)
  • Genetics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

これを引用

Fabrication and characterization of nanomaterial-based sensors using dielectrophoresis. / Suehiro, Junya.

:: Biomicrofluidics, 巻 4, 番号 2, 004095BMF, 01.01.2010.

研究成果: ジャーナルへの寄稿記事

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