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A nanostructured SnO2 conductometric gas sensor was produced from thermally evaporated Sn clusters using a thermal oxidation process. SnO2 clusters were simultaneously formed in an identical process on a Si3N4 membrane featuring an aperture created by a focused ion beam (FIB). Clusters attached to the vertical edges of the aperture were imaged using a transmission electron microscope. The original...
Pt/SnO2 nanowires/SiC based metal-oxide-semiconductor (MOS) devices were fabricated and tested for their gas sensitivity towards hydrogen. Tin oxide (SnO2) nanowires were grown on SiC substrates by the vapour liquid solid growth process. The material properties of the SnO2 nanowires such as its formation and dimensions were analyzed using scanning electron microscopy (SEM). The current-voltage (I-V)...
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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