Research Article

Preparation of Flower-Like Cu-WO3 Nanostructures and Their Acetone Gas Sensing Performance

Figure 1

XRD pattern of the Cu-WO3 samples calcined at different temperatures: (a) urchin-like Cu-doped W18O49 calcined at 300°C and (b) flower-like Cu-doped WO3 calcined at 600°C.
(a)
(b)