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The work considers possibilities to employ nanotubular (NT) titanium dioxide layers in order to develop gas sensors. The NT TiO2 layers have been fabricated by electrochemical anodizing of Ti foil with subsequent dissolution of metal layer. The technique to apply TiO2 NT layer over the substrate equipped with strip coplanar electrodes is developed. It has been found that the TiO2 NTs exhibit a considerable...
We report a direct synthesis of tin oxide layers onto Si/SiO2 chip equipped with Pt multiple electrodes to develop new gas-analytical multisensor arrays. The tailored local morphology of the layer makes it possible to differentiate the gas response of each layer segment and to build a gas-selective vector signal recognized by pattern recognition algorithms in frames of conventional multisensor principles...
We have studied the influence of organic vapors, acetone and ethanol, on the resistance of potassium titanate nanowire nonwoven net (PTN) at room temperature. We find that the PTN resistance is reproducibly reduced under appearance of the vapor molecules that might be explained by the influence of the adsorbed species on the electronic/ionic transport. The selectivity of the sensor could be greatly...
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