Abstract
The application of a small anodic bias can promote the photocatalytic oxidation of formic acid on Cu–TiO 2 film. However, the photocatalytic activity was not stable at higher anodic biases or in the process of repeated use due to the electrochemical oxidation of Cu. A new photocatalytic technology with a pulse anodic bias was proposed to tackle the deficiency of the Cu–TiO 2 film. It was found that the photocatalytic technology could not only overcome the Cu oxidation but also increased the photocatalytic activity of the Cu–TiO 2 film.
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