CO sensing mechanism with WO3 based gas sensors (original) (raw)

2010, Sensors and Actuators B: Chemical

The interaction between CO and WO 3 based gas sensors was investigated in operando conditions by using resistance, catalytic conversion and DRIFTS measurements. The experimental results are showing that the sensing involves the reduction of the metal oxide, which is the opposite of the case of SnO 2 , the other extremely relevant material for semiconducting oxides based gas sensors.

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