Incorporation of photofunctional dye molecules into layered silicate clay materials has been investigated for over 50 years. Original studies were aimed at developing an approach to identify and quantify the mineral component of clays. The method can also provide a tool for the study of certain surface properties of clays, such as surface acidity, concentrations of oxidizing–reducing sites, cation exchange capacities (CEC), and colloidal properties (Mielenz and King, 1955). Several types of clays including smectites (montmorillonite and saponite), mica (illite), serpentine, pylophyllite (talc), vermiculite and sepiolite have received great interest for applications based on their capacity for selective adsorption of molecules since they possess a net negative charge and hence have the capacity to adsorb positively charged materials such as cationic dyes. They have been used for applications such as chromatography separations and to remove organic pollutants from air and water