Visible-Light Photocatalytic Activity of N-Doped TiO₂ Nanotube Arrays on Acephate Degradation

Figure 7

Acephate photodegradation rate curves of different samples: N-TiO₂ nanotube arrays annealed at (a) 500°C, (b) 600°C, and (c) 400°C, (d) pure TiO₂ nanotube arrays, and (e) blank.