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The sensitive type NH3 gas sensor based on the nanostructured PPy films with relative high sensitivity and fast response time was developed for detection of some organic. The mechanisms of the formation of polaron and bipolaron structures, as well as of adsorptive interactions between NH3 molecules and adsorptive site are proposed. In addition, the influence of relative humidity and temperature in a range of 20 to 100o C for a wide range of NH3 concentration from 45 to 450 ppm was investigated.

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The NH3-type gas sensor based on nanostructured PPy films with relative high sensitivity and fast response time was developed for detection of certain organic molecules. The mechanisms of the formation of polaron and bipolaron structures, and of adsorptive interactions between NH3 molecules and the adsorptive site are proposed. In addition, the influence of relative humidity and temperature over a range of 20 to 100oC on a wide range of NH3 concentrations from 45 to 450 ppm was investigated.

I decided not to call it sensitive since you go on to say "high sensitivity". "Detection of some organic" was not understandable. I guessed you meant "certain organic molecules".