Patent ID: 8012326

Claim:
A sensor for sensing the presence of a chemical vapor, the sensor adapted for interconnecting to an electrical monitor for measuring a reaction of the sensor to the chemical vapor, the sensor comprising, a positive terminal, the positive terminal being conductive, a negative terminal, the negative terminal being conductive, the terminals adapted for interconnection to the electrical monitor, and a film of organic conductive polymer nanofibers coating and extending between the positive and negative terminals to form a conductive bridge between said terminals, said film exhibiting a change in conductivity between the positive terminal and the negative terminal suitable for display on the electrical monitor when the film is exposed to the chemical vapor, the conductive polymer nanofibers having lengths from about 500 nm to less than about 10 μm and diameters from about 30 nm to about 120 nm, said nanofiber consisting of a single polymers.