Research Article
Preparation of Aligned ZnO Nanorod Arrays on Sn-Doped ZnO Thin Films by Sonicated Sol-Gel Immersion Fabricated for Dye-Sensitized Solar Cell
Figure 2
I-V curves of the ZnO thin films with different Sn concentrations: (a) sample P, 0 at.% Sn, (b) sample Q, 1 at.% Sn, and (c) sample R, 2 at.% Sn.