Exceptional catalytic efficiency in mineralization of the reactive textile azo dye (RB5) by a combination of ultrasound and core-shell nanoparticles (CdS/TiO2)

► A novel method introduces for the synthesis of core-shell structure. ► The nanocomposite has an exceptional sonocatalytic activity. ► The nanocomposite extends the spectral response to the visible region. ► The selected method is able to decolorize and oxidize simultaneously the organic dye.