Structural and Photoelectrochemical Properties of Cu-Doped CdS Thin Films Prepared by Ultrasonic Spray Pyrolysis

Figure 5

Mott-schottky plots of (a) 0 at.%, 0.5 at.%, 1 at.%, and 2 at.% Cu-doped samples and (b) 4 at.%, 5 at.%, and 10 at.% Cu-doped samples. (All samples were annealed.)

(a)

(b)