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Proceedings Article

The use of nanotube structures in reducing the turn-on voltage in micro-discharges and micro-gas sensors

[+] Author Affiliations
Mark Tweedie, Navneet Soin, Puja Kumari, Susanta S. Roy, Ashish Mathur, Charles Mahony, Pagona Papakonstantinou

Univ. of Ulster (United Kingdom)

James A. D. McLaughlin

Univ. of Ulster (United Kingdom) and Sensor Technology and Devices Ltd. (United Kingdom)

Proc. SPIE 7037, Carbon Nanotubes and Associated Devices, 70370Z (September 09, 2008); doi:10.1117/12.799592
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From Conference Volume 7037

  • Carbon Nanotubes and Associated Devices
  • Manijeh Razeghi; Didier Pribat; Young Hee Lee
  • San Diego, California, USA | August 10, 2008

abstract

This paper will evaluate the usefulness of two nanostructuring techniques in order to grow low turn-on voltage electrodes for use in micro-discharge plasma applications such as the ST+D Ltd e-nose device. These devices are based on micro-plasma technology and currently operate at around 150V (at 10-2 Torr) or 3KV at atmosphere utilising a propriety power source. The application of such technology is the qualitative and qualitative detection of NOx with detection capabilities as low as 5 parts per billion. The e-nose patented device has undergone basic trials in a clinical environment and it is currently demonstrating 50ppb sensitivities, with an ultimate aim of moving this to parts per trillion.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Mark Tweedie ; Navneet Soin ; Puja Kumari ; Susanta S. Roy ; Ashish Mathur, et al.
"The use of nanotube structures in reducing the turn-on voltage in micro-discharges and micro-gas sensors", Proc. SPIE 7037, Carbon Nanotubes and Associated Devices, 70370Z (September 09, 2008); doi:10.1117/12.799592; http://dx.doi.org/10.1117/12.799592


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