Fig. 7From: Efficiently Visible-Light Driven Photoelectrocatalytic Oxidation of As(III) at Low Positive Biasing Using Pt/TiO2 Nanotube Electrode a Comparison of As(III) photocatalytic oxidation on TiO2 nanotubes under visible light and UV. Comparison of As(III) (b) and As(V) (c) concentration in system with photocatalytic and photoelectrocatalytic process on Pt/TiO2 nanotubes. d Concentration of arsenic species in photocatalytic system and photoelectrocatalytic anodic/cathodic cells with Pt/TiO2 nanotubes after 280 minBack to article page