P1.0.12 Influence of applied voltage and catalyst layer thickness on SnO2 hydrogen sensor performance

Arsen Z. Adamyan, Zaven N. Adamyan, Vladimir M. Aroutinounian, Klara Hernadi & Zoltan Nemeth
The new version of sol-gel derived SnO2 thin-film hydrogen sensor operating at about two times lower temperature and, respectively, with lower consumed power have been obtained. Besides, relatively low resistance of the sensors resulting due to determination of the Pt catalyst layer optimal thickness allows reliable operation at low bias voltage which promotes stable operation even at high relative humidity conditions. In the present work we have examined changes of the sol-gel derived thin-film hydrogen...