Morphological Modification and Analysis of ZnO Nanorods and Their Optical Properties and Polarization

Figure 6

Real and imaginary parts of dielectric function (a), schematic representation of optical absorption and polarization in illuminated ZnO NR (b), absorption coefficient (c), and dielectric susceptibility of ZnO NR (d). A sharp peak at 3.04 eV indicates the excitation state in ZnO 500°C.

(a)

(b)

(c)

(d)