Growth of ZnO Nanorods on Stainless Steel Wire Using Chemical Vapour Deposition and Their Photocatalytic Activity

Figure 4

Histogram of ZnO NRs that are grown on stainless steel wire: (a) length, (b) diameter, and (c) aspect ratio (650°C, 2 sccm O₂, and 0.3 g Zn powder).

(a)

(b)

(c)