Structural, Optical Constants and Photoluminescence of ZnO Thin Films Grown by Sol-Gel Spin Coating

Figure 16

Photoluminescence intensity (a) of S1, (b) of S2, and (c) as a function of excitation intensity. Pulsed third harmonic Nd:YAG laser was used for excitation.

(a)

(b)

(c)