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

Table 2

Effect of the heat treatment post annealing for 40 V, room temperature anodized sample.

Annealing	Ti (wt.%)	O (wt.%)	Ti : O ratio
Temperature (°C)
125	55	36	3 : 2
450	60.5	19	3 : 1

Note: X-rays from titanium metal substrate included in Ti wt.%.