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Sputtered and screen-printed metal oxide-based integrated micro-sensor arrays for the quantitative analysis of gas mixtures
Abstract Either by screen-printing or sputtering, sensitive layers of tin oxide were deposited on silicon micromachined substrates (four-element integrated microarrays). The procedures allow theExpand
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Pt-loaded Al2O3 catalytic filters for screen-printed WO3 sensors highly selective to benzene
Abstract We describe the fabrication of low-cost benzene sensors by using screen-printing technology. Two different types of catalytic filters were developed to enhance the sensitivity of tungstenExpand
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Stimulation of the activity of a novel tannase produced in white‐rot fungi Phellinus pini, Fomes fomentarius, and Tyromyces pubescens by medium supplementation
In recent years, tannase has gained increasing interest mainly because of its potential applications. One of the most important functions of tannic acid (TA) hydrolase is the release of gallic acidExpand
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A route toward more selective and less humidity sensitive screen-printed SnO2 and WO3 gas sensitive layers
Abstract We have studied the effect of adhesion promoters (bismuth and copper oxides) on the gas sensing properties of screen-printed tin and tungsten oxide sensors. The gas-sensitive pastes wereExpand
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Screen-printed nanoparticle tin oxide films for high-yield sensor microsystems
Abstract By means of a screen-printing technique, sensitive layers of nanopowder tin oxide were deposited on silicon micromachined substrates. The thickness of the sensing layers was 5 μm andExpand
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Gas sensing properties of nanoparticle indium-doped WO3 thick films
Abstract The gas sensing properties of pure and indium-doped nanoparticle WO3 thick films were studied. Sensors were prepared using commercial WO3 nanopowders and powder mixtures with differentExpand
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Influence of the doping method on the sensitivity of Pt-doped screen-printed SnO2 sensors
Abstract In this work, we study the influence of the introduction method of Pt atoms on the sensitivity to traces of ethanol of Pt-doped SnO2 sensors. The tin oxide films were obtained by aExpand
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Gas sensors based on nanoparticle WO/sub 3/ thick films
The gas sensing properties of chemical sensors based on nanoparticle WO/sub 3/ thick films, doped with indium and bismuth, are studied. Commercial WO/sub 3/ nanopowder with spherical diameter up toExpand
  • 6
Screen-printed nano-grain WO/sub 3/ films for micro-hotplate gas sensors
By means of an adapted screen-printing technique, sensitive layers of nanopowder tungsten trioxide were deposited on silicon micromachined substrates. The thickness of the sensing layers was 5 /splExpand
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