Comparison of Photoelectrochemical Current in Amorphous and Crystalline Anodized TiO₂ Nanotube Electrodes

Figure 3

Chopped-illumination chronoamperometry (CA) for sample 30 V LT 450°C with polarization (a) -0.5 V vs. Ag/AgCl. In this figure and up to the end, the data is shown in the inset while the average value is shown as horizontal lines; shaded regions indicate illuminated portions of the measurements.

(a)

(b)