This work was supported by the National Basic Research Project(Grant No.G2000026408);the National Natural Science Foundation of China(Grant No.20125310).
Aucore-Ptshell (Au@Pt) nanoparticles were syn-thesized at room temperature by reducing K2PtCl6 with hy-drogen in the solution containing Au colloids and polyvi-nylpyrrolidone (PVP). The particles obtained were charac-...