NANOROD ZNO GAS SENSOR H2S

Dependence of the selectivity of SnO2 nanorod gas sensors ...

May 31, 2014· Effects of functionalization materials on the selectivity of SnO2 nanorod gas sensors were examined by comparing the responses of SnO2 one-dimensional nanostructures functionalized with CuO and Pd to ethanol and H2S gases. The response of pristine SnO2 nanorods to 500 ppm ethanol was similar to 100 ppm H2S. CuO-functionalized SnO2 nanorods showed a slightly stronger response to 100 ppm H2S ...

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Nanorod - Wikipedia

ZnO nanorods. Zinc oxide (ZnO) nanorod, also known as nanowire, has a direct bandgap energy of eV, which is similar to that of GaN, and it has an excitation binding energy of 60 meV. The optical bandgap of ZnO nanorod can be tuned by changing the morphology, composition, size years, ZnO …

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Amorphous Pd-assisted H2 detection of ZnO nanorod gas ...

Jun 01, 2018· For monitoring H 2 concentrations in air, diverse resistive gas sensors have been demonstrated. In particular, Pd-decorated metal oxides have shown remarkable selectivity and sensing response for H 2 detection. In this work, H 2 sensing behavior of amorphous Pd layer covering ZnO nanorods (am-Pd/ZnO NRs) is investigated. This is the first report on the enhanced gas sensing …

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Synthesis of ZnO nanorods by spray pyrolysis for H2S gas ...

Jul 05, 2012· The hexagonal vertically aligned ZnO rods improved the sensing performance to H 2 S gas at lower temperature (50 °C). The ZnO nanorod based sensor is the most selective to H 2 S gas against the other interfering gasses for 100 ppm gas concentrations. This ZnO thin film has potential in application of room temperature H 2 S gas sensing.

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