{Author Name [first-name middle-name-initials last-name]} {Institution Affiliation [name of Author’s institute]}
Introduction
Azo dyes are the most popular dye materials that cover more than 50% dye market. The azo group is the main feature of all organic dyes; it joins the aromatic rings that result in an extended conjugated multiple bonds system. The unique characteristic of organic dyes is that they possess the colour. The reasons behind this uniqueness are the light absorbance in the visible spectrum (400–700 nm) and presence of at least one chromophore (colour-bearing group). Their conjugated system and resonance of electrons also produce ...
