Plasmon Coupling‐Induced Hot Electrons for Photocatalytic Hydrogen Generation

We present the fabrication of core-shell-satellite [email protected]2-Pt nanostructures and demonstrate that LSPR excitation core Au nanoparticle can induce plasmon coupling effect to initiate photocatalytic hydrogen generation from decomposition formic acid. Further studies suggest induces a strong local electric field between Pt nanoparticles on SiO2 shell, which enables creation hot electrons non-plasmonic-active participate evolution reaction surface. In addition, small shell thickness is required in order obtain plamon achieve efficient activities for generation.