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

Mark Tweedie; Navneet Soin; Puja Kumari; Susanta S. Roy; Ashish Mathur; Charles Mahony; Pagona Papakonstantinou; James A. D. McLaughlin

doi:10.1117/12.799592

9 September 2008 The use of nanotube structures in reducing the turn-on voltage in micro-discharges and micro-gas sensors

Mark Tweedie, Navneet Soin, Puja Kumari, Susanta S. Roy, Ashish Mathur, Charles Mahony, Pagona Papakonstantinou, James A. D. McLaughlin

Author Affiliations +

Proceedings Volume 7037, Carbon Nanotubes and Associated Devices; 70370Z (2008) https://doi.org/10.1117/12.799592
Event: NanoScience + Engineering, 2008, San Diego, California, United States

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.

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Mark Tweedie, Navneet Soin, Puja Kumari, Susanta S. Roy, Ashish Mathur, Charles Mahony, Pagona Papakonstantinou, and James A. D. McLaughlin "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 (9 September 2008); https://doi.org/10.1117/12.799592

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