Photocatalytic Destruction of 1,4-Dioxane in Aqueous System by Surface-Roughened TiO2 Coating on Stainless Mesh
This study investigated the effect of surface roughness on a coating of TiO2 submicron powders that had been applied on a stainless steel mesh using electrophoretic deposition (EPD). Roughness was provided to the surface of EPD coating using UV pre-illumination to the suspension prepared by isopropyl alcohol and commercial TiO2 powder. The Ra value was increased around 20% by this treatment. The rough coating provided a higher photocatalytic decomposition rate of 1,4-dioxane in water than a smooth coating obtained from the suspension without UV pre-illumination. That increase is attributable to the increase of the reaction field on the coating surface.
A. R. Boccaccini, O. van der Biest, R. Clasen, T. Uchikoshi
S. Yanagida et al., "Photocatalytic Destruction of 1,4-Dioxane in Aqueous System by Surface-Roughened TiO2 Coating on Stainless Mesh", Key Engineering Materials, Vol. 412, pp. 137-141, 2009