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A conductometric H2, NO2, and hydrocarbon gas sensor based on single-crystalline zinc oxide (ZnO) nanobelts has been developed. The nanobelt sensitive layer was deposited using a radio frequency (RF) magnetron sputterer. The microcharacterization study reveals that the nanobelts have a single crystal hexagonal structure with average thickness and width of about 10 and 50nm, respectively. The sensor...
Polyaniline/SnO2 nanoflber based surface acoustic wave (SAW) gas sensor has been investigated towards hydrogen (H2) gas. Chemical oxidative polymerization of aniline was employed to synthesize polyaniline nanofibers with SnO2 nanoparticles. The nanocomposite was deposited onto a layered ZnO/64deg YX LiNbO3 SAW transducer. The sensor was exposed to various concentrations of H2 gas and operated at room...
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