Photocatalytic degradation of malachite eco-friendly dye beneath UV light irradiation applying calcium-doped ceria nanoparticles A tentative system to the photocatalytic bleaching of alizarin crimson and gentian violet is proposed. Cuprous oxide (Cu 2 O) nano-crystallites with unique dimensions were ready through electrolysis technique and characterised by X-ray powder diffraction (XRD) https://rolimu085lkh1.wikicarrier.com/user