Synthesis of Pt-based hollow nanoparticles using carbon-supported Co@Pt and Ni@Pt core–shell structures as templates: electrocatalytic activity for the oxygen reduction reaction - Cantane, Daniel Augusto; Oliveira, Fernanda Emanuele da Rocha; Santos, S. F.; Lima, Fabio Henrique Barros de (Applied Catalysis B: Environmental, 2013)