SEARCH Articles Figures Tables Metal nanoparticle Metal nanoparticles Nanoparticle self-assembly Nanoparticles assemblies Nanoparticles of metals Nanoparticles self-assembly Self assembly metal Self-assembled nanoparticles Self-assembly metal nanoparticles Self-assembly of nanoparticles Transition metal nanoparticles self-assembly Transition self-assembly Transition-metal nanoparticles Transitions nanoparticles