Gram-Scale Synthesis of Pt-Cu Nanowires with Enhanced Electrocatalytic Activity towards Methanol Oxidation Reaction

Figure 4

TEM images of intermediates acquired with Pt₁Cu₁ alloy NWs at different stages: (a) 30 min, (b) 60 min, (c) 120 min, and (d) 8 h, respectively.

(a)

(b)

(c)

(d)