Effects of Niobium-Loading on Sulfur Dioxide Gas-Sensing Characteristics of Hydrothermally Prepared Tungsten Oxide Thick Film

<div>Cross-sectional SEM image of 0.5 wt% Nb-loaded WO<sub>3</sub> film on Au/Al<sub>2</sub>O<sub>3</sub> substrate. Inset top-view surface morphology.</div>

Journal of Nanomaterials

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Figure 4

Figure 4: Effects of Niobium-Loading on Sulfur Dioxide Gas-Sensing Characteristics of Hydrothermally Prepared Tungsten Oxide Thick Film 