Fig. 3: Local structure and electronic structure characterizations.
From: In situ tuning of platinum 5d valence states for four-electron oxygen reduction
a XANES spectra at O K-edge of Pt1-CuOx/Cu and CN; (b) Cu K-edge k3-weighted FT-EXAFS spectra of Pt1-CuOx/Cu, Cu foil and CuO; (c) Pt L3-edge k2-weighted FT-EXAFS spectra of Pt1-CuOx/Cu, Pt foil and PtO2; Cu 2p (d) and Pt 4 f (e) XPS spectra of Pt1-CuOx/Cu; (f) XANES spectra at Pt L3-edge of different samples.
