Scheme 1
From: Facile aqueous-phase synthesis of Ag–Cu–Pt–Pd quadrometallic nanoparticles

Schematic illustration of synthetic procedure of Cu–Ag–Pt–Pd nanoparticle
From: Facile aqueous-phase synthesis of Ag–Cu–Pt–Pd quadrometallic nanoparticles
Schematic illustration of synthetic procedure of Cu–Ag–Pt–Pd nanoparticle