Photocatalytic degradation of malachite green dye under UV mild irradiation using 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 different sizes had been well prepared by means of electrolysis method and characterised by https://johnw085ljh1.birderswiki.com/user