Design of an array structure for carbon-based field-effect-transistor type gas sensors to accurately identify trace gas species
Qiaoqiao Zou, Bin Liu, Yong Zhang
Abstract
A carbon-based FET gas sensor with a noble metal nanoparticles/Co 3 O 4 composites sensing gate is proposed to detect trace gases as low to 80 ppb. A sensor array with different sensing gates is designed to achieve accurate recognition of gases.
Topics & Concepts
Trace gasTRACE (psycholinguistics)Field-effect transistorMaterials scienceNoble metalOptoelectronicsNanotechnologyCarbon fibersTransistorField (mathematics)Computer scienceMetalElectrical engineeringEngineeringChemistryComposite materialMetallurgyMathematicsVoltagePure mathematicsPhilosophyLinguisticsComposite numberOrganic chemistryGas Sensing Nanomaterials and SensorsAnalytical Chemistry and SensorsElectrochemical Analysis and Applications