List of Articles azo dye Open Access Article Abstract Page Full-Text 1 - Investigation on Photocatalytic Activity of Perovskite ZnTiO3 and CdTiO3 Nanocrystals for Degradation of Crystal Violet and Congo Red Pollutants under Sunlight Open Access Article Abstract Page Full-Text 2 - Theoretical study of interaction of 4-amino phenyl-azobenzene with (SWCNTs), A DFT method