Figure 7

The TEM images, line scanning profile with EDX analysis, and spectroscopic mapping of Pt₃Ni /C nanoparticles between pristine and after ADT samples; (a, b) Pt₃Ni/Ketjen black (1:3); (c, d) Pt₃Ni/Graphene (1:1); and (e, f) Pt₃Ni/Vulcan XC-72R (1:1).