PEDOT percolation networks for reversible chemiresistive sensing of NO<sub>2</sub>
Merel J. Lefferts, Ben I. Armitage, Krishnan Murugappan, Martin R. Castell
Abstract
sensors using only PEDOT as the sensor material are demonstrated. By operating the sensor near the electrical percolation threshold, a higher sensitivity is achieved compared to more traditional thin film based chemiresistive sensors. A limit of detection of 907 ± 102 ppb was achieved.
Topics & Concepts
PEDOT:PSSPercolation (cognitive psychology)Balance (ability)Materials scienceChemical engineeringChemistryNanotechnologyMedicineEngineeringNeuroscienceLayer (electronics)BiologyPhysical medicine and rehabilitationGas Sensing Nanomaterials and SensorsConducting polymers and applicationsAnalytical Chemistry and Sensors