Research Article
Effects of Niobium-Loading on Sulfur Dioxide Gas-Sensing Characteristics of Hydrothermally Prepared Tungsten Oxide Thick Film
Figure 6
Variation of (a) response and (b) response times of unloaded and 0.25–1.0 wt% Nb-loaded WO3 sensors versus SO2 concentration at 250°C.
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| (b) |