Facile formation and photocatalytic performance of flexible WO₃/TiO₂/Wool fabric composite

In this work, a visible-light driven flexible WO₃/TiO₂/wool fabric composite photocatalyst was prepared and the photocatalytic performance was studied. Compared with other mole ratios of WO₃/TiO₂, the 0.18-WO₃/TiO₂ composite exhibited the strongest photocatalytic activity. Then, the WO₃/TiO₂/wool composites loaded by 0.18-WO₃/TiO₂ were used to degrade C.I. KN-R with different initial concentrations. The results showed that the C.I. KN-R could be almost complete degradation with lower concentrations (50 mg/L and 100 mg/L) after irradiation under visible light in 120 min. For higher initial concentration, more amounts of catalysts or longer reaction time may be required to achieve a complete degradation. Moreover, the stability and reusability of WO₃/TiO₂/wool composites were measured.