U.S. Army Research Laboratory 1 article published in JoVE Chemistry Photodeposition of Pd onto Colloidal Au Nanorods by Surface Plasmon Excitation Gregory T. Forcherio1, David R. Baker1, Asher C. Leff1,2, Jonathan Boltersdorf1, Joshua P. McClure1, Kyle N. Grew1, Cynthia A. Lundgren1 1Sensors & Electron Devices Directorate, U.S. Army Research Laboratory, 2General Technical Services A protocol for anisotropic photodeposition of Pd onto aqueously-suspended Au nanorods via localized surface plasmon excitation is presented.