Visible Light Photoelectrochemical Properties of N-Doped TiO₂ Nanorod Arrays from TiN

Figure 5

(a) Current versus time measurements of the N-doped TiO₂ NRAs annealed for different times at 330°C under 0 V bias versus Ag/AgCl; (b) I-V characteristics of the N-doped TiO₂ NRAs annealed for different times at 330°C; (c) relationship of the band gap, photocurrent intensity, and annealing time.

(a)

(b)

(c)