Research Article

Surface Modification of Carbon Nanotube Networked Films with Au Nanoclusters for Enhanced N O 2 Gas Sensing Applications

Figure 5

Comparison of mean sensitivity of the MWCNT chemiresistor, unmodified and Au-loaded of 2.5, 5, and 10 nm, toward NO2 and NH3 gas at working temperature of 200°C. The MWCNTs thickness is 250–300 nm and the nominal thickness of Co growth-catalyst is 6 nm. The exposure time is 10 minutes.
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