Photocatalytic degradation of malachite eco-friendly dye underneath UV light irradiation applying calcium-doped ceria nanoparticles A tentative mechanism for that photocatalytic bleaching of alizarin pink and gentian violet is proposed. Cuprous oxide (Cu two O) nano-crystallites with various dimensions were ready by means of electrolysis process and characterised by X-ray powder https://pauly307pol3.life-wiki.com/user