Effect of Annealing on the Structure and Photoluminescence of Eu-Doped ZnO Nanorod Ordered Array Thin Films

Figure 2

Secondary electronic microscopy micrographs of Eu-doped ZnO nanorod array thin films: (a) unannealed, (b) annealed in air, (c) annealed in hydrogen.

(a)

(b)

(c)