Coated or Doped Carbon Nanotube Network Sensors as affected by Environmental Parameters

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Description

Use of carbon nanotube networks as sensors of chemical substances.

This invention relates to the use of carbon nanotube networks as sensors of chemical substances. Chemical sensors have been developed for decades to detect gases and vapors at various concentration levels for deployment in a wide range of industrial applications. The detection usually centers on a change of a particular property or status of the sensing material (such as temperature, electrical, optical characteristics, etc.). Other types of sensors include electrochemical cells, conducting polymer sensors, surface acoustic wave sensors, and catalytic bead sensors. Sensors based on the emerging field of nanotechnology promise to provide improved performance on all of the above compared to current micro and macro sensors. Among the numerous nanomaterials available, carbon nanotubes (CNTs) have received significant attention due to their unique electronic and extra-ordinary mechanical properties.

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Project Detail
Date:
November 9, 2016
Patent:
2017-39
Category:
Place of Invention:
Ames Research Center