One-pot synthesis of hierarchical concave tetrapod Pd nanocrystals and their electrocatalytic properties

Well-defined Pd nanocrystals with both hierarchical pods and concave centers were synthesized by reducing Pd(acac)2 with CO in the presence of polyvinylpyrrolidone and oleylamine in DMF. Oleylamine was responsible for the generation of the hierarchical concave tetrapod Pd nanostructures. The asprepared novel Pd nanocrystals demonstrated highly enhanced electrocatalytic activity.