Low-temperature, seed-mediated synthesis of monodispersed hyperbranched PtRu nanoparticles and their electrocatalytic activity in methanol oxidation

We report a seed-mediated synthetic approach to produce hyperbranched PtRu alloy nanoparticles under mild conditions. As-synthesized PtRu particles have a high alloying degree, display high index facets, and show improved activity for electro-oxidation of methanol when compared to commercial PtRu black.