Figure 6
Impedance spectra of the electrodes fabricated from TiO 2 nanotube and nanoparticle films of 20 μm in thickness, measured in the sunlight without applied bias.
Figure 6 | Nanoscale Research Letters
Impedance spectra of the electrodes fabricated from TiO 2 nanotube and nanoparticle films of 20 μm in thickness, measured in the sunlight without applied bias.