Enhancement of Photoluminescence Lifetime of ZnO Nanorods Making Use of Thiourea

Figure 1

Typical SEM images of ZnO nanorods grown onto ordinary glass substrates at (a) 350°C (b) 450°C (c) 550°C and (d) 550°C with little amount of thiourea added.

(a)

(b)

(c)

(d)