![]() The structure, morphology and composition of the nanowires were investigated by transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive X-ray spectrometer (EDS) and X-ray photoelectron spectrometer (XPS), respectively. The ZnO-SnO2 core-shell nanowires were synthesized through a novel two-step chemical growth. N2 - The fabrication and electrical properties of H2 gas sensor with ZnO-SnO2 core-shell nanostructure were studied. T1 - Hydrogen gas sensors using ZnO-SnO2 core-shell nanostructure The ZnO-SnO2 core-shell nanostructures made by two-step chemical growth have high potential for gas sensor application.", Such high sensitivity was believed to be controlled by the nanoscale SnO2 layer, which was determined from pinch-off and fully conductive state. It was found that the ZnO-SnO2 core-shell nanowires exhibited excellent hydrogen sensor performance, such as the sensitivity is up to 89% against 200 ppm hydrogen. The electrical properties of the core-shell nanowires in 25-200 ppm of hydrogen (H2 were measured at temperature of 250 ☌. The experimental results showed that the amorphous SnO2 was uniformly coated onto the entire ZnO single crystal nanowire to form ZnO-SnO2 core-shell nanostructure. The ZnO-SnO 2 core-shell nanostructures made by two-step chemical growth have high potential for gas sensor application.Ībstract = "The fabrication and electrical properties of H2 gas sensor with ZnO-SnO2 core-shell nanostructure were studied. Such high sensitivity was believed to be controlled by the nanoscale SnO 2 layer, which was determined from pinch-off and fully conductive state. It was found that the ZnO-SnO 2 core-shell nanowires exhibited excellent hydrogen sensor performance, such as the sensitivity is up to 89% against 200 ppm hydrogen. ![]() The electrical properties of the core-shell nanowires in 25-200 ppm of hydrogen (H 2 were measured at temperature of 250 ☌. The experimental results showed that the amorphous SnO 2 was uniformly coated onto the entire ZnO single crystal nanowire to form ZnO-SnO 2 core-shell nanostructure. The ZnO-SnO 2 core-shell nanowires were synthesized through a novel two-step chemical growth. The fabrication and electrical properties of H 2 gas sensor with ZnO-SnO 2 core-shell nanostructure were studied.
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