Fig. 2

X-ray absorption spectrometric studies of the Pt₁/Ni(OH)_x catalyst. a Fourier transform EXAFS spectrum of the Pt₁/Ni(OH)_x catalyst in comparison with PtO₂ and Pt foil at the Pt L₃-edge. b XANES spectra at the Pt L₃-edge of the Pt₁/Ni(OH)_x catalyst, PtO₂, and Pt foil