Enhanced amperometric acetone sensing using electrospun non-stoichiometric WO<sub>3−x</sub> nanofibers
Imran Muhammad, Ebtsam K. Alenezy, Ylias M. Sabri, Tony Wang, Nunzio Motta, Tuquabo Tesfamichael, Prashant Sonar, Mahnaz Shafiei
Abstract
We report on a highly sensitive amperometric gas sensing device that employs electrospun tungsten oxide (WO<sub>3−x</sub>) nanofibers thus enabling trace levels (concentrations 1.2–12.5 ppm) of acetone vapor to be detected when operating at 350 °C.
Topics & Concepts
Materials scienceAmperometryAcetoneNanofiberStoichiometryElectrospinningTungsten oxideTungstenChemical engineeringOxideNanotechnologyParts-per notationAnalytical Chemistry (journal)ElectrochemistryPolymerElectrodeChromatographyComposite materialPhysical chemistryOrganic chemistryMetallurgyChemistryEngineeringGas Sensing Nanomaterials and SensorsAnalytical Chemistry and SensorsAdvanced Chemical Sensor Technologies