Research Article

PtRu/C Electrocatalysts Prepared Using Gamma and Electron Beam Irradiation for Methanol Electrooxidation

Table 1

Influence of electron beam and gamma irradiation on Pt : Ru atomic ratio and average crystallite size of the PtRu/C electrocatalysts (20 wt% of metals, nominal Pt : Ru atomic ratio of 50 : 50, water/2-propanol volumetric ratio of 25/75).

SourceIrradiation time (h)Dose rate (kGy h−1)Total dose (kGy)Pt : Ru atomic ratio (EDX)Crystallite size (nm)

Electron beam0.055760.028847 : 532.9
Gamma 60Co60.5345 : 552.7