Chemical detection with a single-walled carbon nanotube capacitor.

  title={Chemical detection with a single-walled carbon nanotube capacitor.},
  author={Eric S. Snow and F. Keith Perkins and Eric J. Houser and Stefan C. Badescu and Thomas L. Reinecke},
  volume={307 5717},
We show that the capacitance of single-walled carbon nanotubes (SWNTs) is highly sensitive to a broad class of chemical vapors and that this transduction mechanism can form the basis for a fast, low-power sorption-based chemical sensor. In the presence of a dilute chemical vapor, molecular adsorbates are polarized by the fringing electric fields radiating… CONTINUE READING

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