Photocatalytic degradation of methyl orange dye using silver (Ag) nanoparticles synthesized from Ulva lactuca

► Synthesis of silver nanoparticles using Ulva lactuca (seaweed) by facile method. ► Characterization of Ag nanoparticles by UV, FT-IR, FE-SEM, XRD, and zeta measurements. ► Photocatalytic degradation of methyl orange by Ag nanoparticles synthesized from U. lactuca.