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Chemiresistors of varying Copper Phthalocyanine sensing layer thickness, from 10 to 350 nm, have been fabricated and tested for sensing to sub-ppm levels of Nitrogen Dioxide. The results obtained were analyzed and the kinetics was shown to correlate well with first order kinetics, rather than with Elovich model. In explaining the sensitivity trend to thickness variation, gas diffusion into the layer...
Heteronanostructures are very promising gas sensor materials due to their high surface area and hybrid properties. In 2 O 3 –ZnO core–shell nanowires are synthesized via two-step growth process. The as-deposited shell is made up of grainy polycrystalline ZnO coated on the single crystalline In 2 O 3 core. The sensing properties of pristine In 2 O 3 and...
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