Tuesday, March 13, 2012

US Patent 8133465 - Polymer-CNT composite for use as a sensor


This patent from the University of Dayton teaches using carbon nanotubes to form gas sensors with improved environmental stability. Claim 1 reads:

1. A method of making a sensor comprising:

forming aligned carbon nanotubes on the surface of a substrate;

wherein said nanotubes are aligned perpendicularly with respect to said substrate;

partially coating said aligned carbon nanotubes from the top down along their length with a polymer to form a composite film;

removing said composite film from said substrate; and

attaching at least two electrodes to said film.