Photocatalytic degradation of malachite environmentally friendly dye under UV mild irradiation making use of calcium-doped ceria nanoparticles A tentative system for the photocatalytic bleaching of alizarin purple and gentian violet has been proposed. Cuprous oxide (Cu 2 O) nano-crystallites with diverse dimensions were ready through electrolysis process and characterised by https://deniss974ihh2.wikibyby.com/user