Y-doped CaZrO<sub>3</sub>/Co<sub>3</sub>O<sub>4</sub> as novel dense diffusion barrier materials for a limiting current oxygen sensor
Ke Shan, Zhongzhou Yi, Xi-Tao Yin, Davoud Dastan, Hamid Garmestani
Abstract
Herein, we illustrate a feasible strategy to strengthen the gas sensing of Y-doped CaZrO<sub>3</sub> (Y<sub>x</sub>Ca<sub>1−x</sub>Zr<sub>0.7</sub>O<sub>3−δ</sub> (<italic>x</italic> = 0.05, 0.06, and 0.07))/0.1Co<sub>3</sub>O<sub>4</sub> used as sensing materials.
Topics & Concepts
Materials scienceDopingLimitingDiffusion barrierDiffusionCurrent (fluid)OxygenLimiting currentOxygen sensorChemical engineeringAnalytical Chemistry (journal)OptoelectronicsNanotechnologyChemistryPhysical chemistryElectrodeThermodynamicsElectrochemistryPhysicsEnvironmental chemistryMechanical engineeringLayer (electronics)EngineeringOrganic chemistryAnalytical Chemistry and SensorsElectrochemical Analysis and ApplicationsGas Sensing Nanomaterials and Sensors