| abstract |
A chemical sensor can comprise a nanofiber mass of p-type nanofibers having a HOMO level greater than -5.0 eV. Additionally, the chemical sensor can comprise oxygen in contact with the p-type nanofibers. Further, the chemical sensor can comprise a pair of electrodes in electrical contact across the nanofiber mass, where the p-type nanofibers conduct an electric current that decreases upon contact with an amine compound. |