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The ppb level detection of the toxic gas H 2 S is of great importance for industrial and safety applications. We report on CuO nanowire gas sensors, which are capable to detect H 2 S concentrations as low as 10ppb in dry as well as humid atmosphere. In particular, measurements with different humidity levels up to 65% have been performed, which is of high practical relevance regarding...
In this paper we report on conductometric gas sensors based on suspended CuO nanowire arrays for CO detection in humid atmosphere. CuO nanowires with very small diameters (10nm–30nm) are synthesized by a thermal oxidation process of Cu microstructures. Our approach allows efficient CuO nanowire integration using a CMOS backend compatible technology. We perform CO measurements in a concentration range...
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