Developing innovative technologies for the effective treatment of organic contaminants comprising agricultural wastes, industrial dyes, and chemicals is gaining extraordinary importance across the globe. In the last few years, photocatalytic degradation has become an effective and established route to eliminate these pollutants from aqueous solution relative to simple adsorption. 2D nanomaterials exhibit great potential as an effectual photocatalyst in degradation of contaminants, especially hybridization with other functional components due to wide-ranging band structures, sufficient active sites, and significant specific surface area. Herein, the unique hybridization of 2D nanomaterials with numerous functional species is reviewed comprehensively by highlighting their improved photocatalytic performances and remarkable environmentally friendly activity. The chapter outlines the mechanism of photocatalytic …