The synthesis of Pt@Pd nanoparticles typically involves a multi-step process:
Preparation of the platinum core nanoparticles through methods such as chemical reduction or thermal decomposition. Deposition of a palladium shell onto the platinum core. This can be achieved through techniques like galvanic replacement, where palladium ions replace surface platinum atoms, or through direct chemical reduction of palladium salts on the platinum surface.
Control over the thickness of the palladium shell and the size of the platinum core is crucial for tuning the catalytic properties.
