Abstract
Composites of titanium dioxide (TiO2) immobilized on carbon fibers (CFs) were synthesized by a two-step process. Acid-treated CFs were dip-coated in a TiO2 sol and then annealed under superheated steam ambient to form TiO2/CF composites. The effects of titanium sol concentration and annealing temperature on the micromorphology and phase structure of the TiO2/CF were investigated by field emission scanning electron microscopy and X-ray diffraction, respectively. The photocatalytic properties of the as-prepared TiO2/CFs were evaluated by photocatalytic degradation of acid orange II under ultraviolet light irradiation. The TiO2/CF composites prepared by superheated steam annealing exhibited a uniform surface morphology and high loading degree. The photocatalytic degradation of acid orange indicated that the TiO2/CF composites exhibited excellent photocatalytic performance and reached up to 98.7% degradation rate after 2.5 h of irradiation.
Get full access to this article
View all access options for this article.
