Figure 2.

a) TEM image, b) HAADF‐STEM image, c–e) elemental mapping images, and f) compositional line profiles of the mesoporous bimetallic PdPt spheres prepared under typical conditions.

a) TEM image, b) HAADF‐STEM image, c–e) elemental mapping images, and f) compositional line profiles of the mesoporous bimetallic PdPt spheres prepared under typical conditions.