Electrochemical Investigation of Doped Titanium Dioxide

Table 3

Photoelectrochemical data for undoped and 0.5 atom% doped TiO₂ films under visible irradiation.

Dopant	Onset potential for anodic current (V)	Peak potential (V)	Photocurrent at peak potential (mA)
None	−0.71	−0.19	0.038
Vanadium	−0.51	−0.24	0.049
Chromium	−0.49	−0.26	0.051
Manganese	−0.53	−0.30	0.070
Iron	−0.51	−0.22	0.044
Cobalt	−0.60	−0.31	0.076
Nickel	−0.53	−0.35	0.066
Copper	−0.62	−0.30	0.062