Figure 5From: Improving scattering layer through mixture of nanoporous spheres and nanoparticles in ZnO-based dye-sensitized solar cellsPlots with various mixing ratios of ZnO nanoparticle to nanoporous sphere. (a) Nyquist plot and (b) Bode plot. Solid lines are the fitting results using the equivalent circuit model in the inset.Back to article page