High Performance Electrocatalysts Based on Pt Nanoarchitecture for Fuel Cell Applications

Figure 1

(a) Structural illustration of L-ascorbic acid, citric acid, and OH-terminated PVP and their oxidized forms due to the redox reactions with Pd²⁺ ions. TEM images of Pd (b) truncated octahedrons, (c) icosahedrons, and (d) hexagonal and triangular nanoplates synthesized by L-ascorbic acid, citric acid, and PVP, respectively. Reproduced with permission from [40].