A novel technique for fabrication of micro- and nanofluidic device with embedded single carbon nanotube

Jonghyun Oh Oh, Gyuman Kimb, Davide Mattia, Hongseok Noh

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper describes a novel technique for fabrication of micro- and nanofluidic device that consists of a carbon nanotube (CNT) and a polydimethylsiloxane (PDMS) microchannel. Single CNT was placed at desired locations using dielectrophoresis (DEP) and PDMS microchannel was constructed on the aligned CNT via photolithography and soft lithography techniques. This technique enables a CNT to be seamlessly embedded in a PDMS microchannel. Moreover, controlling the PDMS curing condition enables the construction of the device with or without a CNT (the device without CNT has a trace nanochannel in PDMS). Preliminary flow tests such as capillary effect and pressure-driven flow were performed with the fabricated devices. In the capillary effect tests, the flow stopped at the nanochannel in both devices. In the pressure-driven flow lower flow resistance was observed in the device with a CNT.
Original languageEnglish
Pages (from-to)67-72
Number of pages6
JournalSensors and Actuators B-Chemical
Volume154
Issue number1
DOIs
Publication statusPublished - 20 May 2011

Fingerprint

Nanofluidics
Carbon Nanotubes
Microfluidics
Carbon nanotubes
Polydimethylsiloxane
carbon nanotubes
Fabrication
fabrication
microchannels
Microchannels
flow resistance
Photolithography
photolithography
curing
Electrophoresis
Lithography
Curing
lithography
baysilon

Keywords

  • Carbon nanotube (CNT)
  • Nanofluidics
  • Dielectrophoresis (DEP)
  • Nanochannel
  • Polydimethylsiloxane (PDMS) microchannel

Cite this

A novel technique for fabrication of micro- and nanofluidic device with embedded single carbon nanotube. / Oh, Jonghyun Oh; Kimb, Gyuman; Mattia, Davide; Noh, Hongseok.

In: Sensors and Actuators B-Chemical, Vol. 154, No. 1, 20.05.2011, p. 67-72.

Research output: Contribution to journalArticle

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