Fig. 1
From: Facile aqueous-phase synthesis of Ag–Cu–Pt–Pd quadrometallic nanoparticles
a, b TEM images of synthesized Ag–Cu-Pt–Pd nanoparticle, c, d EDS mapping images of metallic elements distribution in synthesized Ag–Cu–Pt–Pd nanoparticles (red refers to Cu, green refers to Ag, yellow refers to Pt, and blue refers to Pd)
