Facile Preparation of g-C₃N₄-WO₃ Composite Gas Sensing Materials with Enhanced Gas Sensing Selectivity to Acetone

Figure 2

The SEM images of (a) g-C₃N₄, (b) pure WO₃ (S-0), and (c) g-C₃N₄-WO₃ (S-2).

(a)

(b)

(c)