Fig. 5: Strong interactions between Pt1Ni1 NPs and carbon substrate.
From: Carbon-anchoring synthesis of Pt1Ni1@Pt/C core-shell catalysts for stable oxygen reduction reaction
a XANES spectra at the Pt L3-edge of Pt1Ni1/C, Pt3Ni1/C, standard Pt foil, and standard PtO2, inset is a magnified view of selected region. b FT-EXAFS spectra at the Pt L3-edge of Pt1Ni1/C, com-Pt/C, and Pt foil. c Pt 4f XPS spectra of syn-Pt/C. Side view, bottom view of d, e the defect-free and the defected Pt-graphene systems and their results after 1000-fs AIMD simulations, respectively. f TEM image of Pt1Ni1/C, the embedded Pt1Ni1 NPs are pointed out.
